J2EE Misconfiguration: Data Transmission Without Encryption
Information sent over a network can be compromised while in transit. An attacker may be able to read or modify the conte...
Variant CWE-6J2EE Misconfiguration: Insufficient Session-ID Length
The J2EE application is configured to use an insufficient session ID length.
Variant CWE-7J2EE Misconfiguration: Missing Custom Error Page
The default error page of a web application should not display sensitive information about the product.
Variant CWE-8J2EE Misconfiguration: Entity Bean Declared Remote
When an application exposes a remote interface for an entity bean, it might also expose methods that get or set the bean...
Variant CWE-9J2EE Misconfiguration: Weak Access Permissions for EJB Methods
If elevated access rights are assigned to EJB methods, then an attacker can take advantage of the permissions to exploit...
Variant CWE-11ASP.NET Misconfiguration: Creating Debug Binary
Debugging messages help attackers learn about the system and plan a form of attack.
Variant CWE-12ASP.NET Misconfiguration: Missing Custom Error Page
An ASP .NET application must enable custom error pages in order to prevent attackers from mining information from the fr...
Variant CWE-13ASP.NET Misconfiguration: Password in Configuration File
Storing a plaintext password in a configuration file allows anyone who can read the file access to the password-protecte...
Variant CWE-14Compiler Removal of Code to Clear Buffers
Sensitive memory is cleared according to the source code, but compiler optimizations leave the memory untouched when it ...
Base CWE-15External Control of System or Configuration Setting
One or more system settings or configuration elements can be externally controlled by a user.
Class CWE-20Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the ...
Base CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The product uses external input to construct a pathname that is intended to identify a file or directory that is located...
Base CWE-23Relative Path Traversal
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-24Path Traversal: '../filedir'
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-25Path Traversal: '/../filedir'
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-26Path Traversal: '/dir/../filename'
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-27Path Traversal: 'dir/../../filename'
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-28Path Traversal: '..\filedir'
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-29Path Traversal: '\..\filename'
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-30Path Traversal: '\dir\..\filename'
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-31Path Traversal: 'dir\..\..\filename'
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-32Path Traversal: '...' (Triple Dot)
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-33Path Traversal: '....' (Multiple Dot)
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-34Path Traversal: '....//'
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-35Path Traversal: '.../...//'
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Base CWE-36Absolute Path Traversal
The product uses external input to construct a pathname that should be within a restricted directory, but it does not pr...
Variant CWE-37Path Traversal: '/absolute/pathname/here'
The product accepts input in the form of a slash absolute path ('/absolute/pathname/here') without appropriate validatio...
Variant CWE-38Path Traversal: '\absolute\pathname\here'
The product accepts input in the form of a backslash absolute path ('\absolute\pathname\here') without appropriate valid...
Variant CWE-39Path Traversal: 'C:dirname'
The product accepts input that contains a drive letter or Windows volume letter ('C:dirname') that potentially redirects...
Variant CWE-40Path Traversal: '\\UNC\share\name\' (Windows UNC Share)
The product accepts input that identifies a Windows UNC share ('\\UNC\share\name') that potentially redirects access to ...
Base CWE-41Improper Resolution of Path Equivalence
The product is vulnerable to file system contents disclosure through path equivalence. Path equivalence involves the use...
Variant CWE-42Path Equivalence: 'filename.' (Trailing Dot)
The product accepts path input in the form of trailing dot ('filedir.') without appropriate validation, which can lead t...
Variant CWE-43Path Equivalence: 'filename....' (Multiple Trailing Dot)
The product accepts path input in the form of multiple trailing dot ('filedir....') without appropriate validation, whic...
Variant CWE-44Path Equivalence: 'file.name' (Internal Dot)
The product accepts path input in the form of internal dot ('file.ordir') without appropriate validation, which can lead...
Variant CWE-45Path Equivalence: 'file...name' (Multiple Internal Dot)
The product accepts path input in the form of multiple internal dot ('file...dir') without appropriate validation, which...
Variant CWE-46Path Equivalence: 'filename ' (Trailing Space)
The product accepts path input in the form of trailing space ('filedir ') without appropriate validation, which can lead...
Variant CWE-47Path Equivalence: ' filename' (Leading Space)
The product accepts path input in the form of leading space (' filedir') without appropriate validation, which can lead ...
Variant CWE-48Path Equivalence: 'file name' (Internal Whitespace)
The product accepts path input in the form of internal space ('file(SPACE)name') without appropriate validation, which c...
Variant CWE-49Path Equivalence: 'filename/' (Trailing Slash)
The product accepts path input in the form of trailing slash ('filedir/') without appropriate validation, which can lead...
Variant CWE-50Path Equivalence: '//multiple/leading/slash'
The product accepts path input in the form of multiple leading slash ('//multiple/leading/slash') without appropriate va...
Variant CWE-51Path Equivalence: '/multiple//internal/slash'
The product accepts path input in the form of multiple internal slash ('/multiple//internal/slash/') without appropriate...
Variant CWE-52Path Equivalence: '/multiple/trailing/slash//'
The product accepts path input in the form of multiple trailing slash ('/multiple/trailing/slash//') without appropriate...
Variant CWE-53Path Equivalence: '\multiple\\internal\backslash'
The product accepts path input in the form of multiple internal backslash ('\multiple\trailing\\slash') without appropri...
Variant CWE-54Path Equivalence: 'filedir\' (Trailing Backslash)
The product accepts path input in the form of trailing backslash ('filedir\') without appropriate validation, which can ...
Variant CWE-55Path Equivalence: '/./' (Single Dot Directory)
The product accepts path input in the form of single dot directory exploit ('/./') without appropriate validation, which...
Variant CWE-56Path Equivalence: 'filedir*' (Wildcard)
The product accepts path input in the form of asterisk wildcard ('filedir*') without appropriate validation, which can l...
Variant CWE-57Path Equivalence: 'fakedir/../realdir/filename'
The product contains protection mechanisms to restrict access to 'realdir/filename', but it constructs pathnames using e...
Variant CWE-58Path Equivalence: Windows 8.3 Filename
The product contains a protection mechanism that restricts access to a long filename on a Windows operating system, but ...
Base CWE-59Improper Link Resolution Before File Access ('Link Following')
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identif...
Compound CWE-61UNIX Symbolic Link (Symlink) Following
The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that r...
Variant CWE-62UNIX Hard Link
The product, when opening a file or directory, does not sufficiently account for when the name is associated with a hard...
Variant CWE-64Windows Shortcut Following (.LNK)
The product, when opening a file or directory, does not sufficiently handle when the file is a Windows shortcut (.LNK) w...
Variant CWE-65Windows Hard Link
The product, when opening a file or directory, does not sufficiently handle when the name is associated with a hard link...
Base CWE-66Improper Handling of File Names that Identify Virtual Resources
The product does not handle or incorrectly handles a file name that identifies a "virtual" resource that is not directly...
Variant CWE-67Improper Handling of Windows Device Names
The product constructs pathnames from user input, but it does not handle or incorrectly handles a pathname containing a ...
Variant CWE-69Improper Handling of Windows ::DATA Alternate Data Stream
The product does not properly prevent access to, or detect usage of, alternate data streams (ADS).
Variant CWE-72Improper Handling of Apple HFS+ Alternate Data Stream Path
The product does not properly handle special paths that may identify the data or resource fork of a file on the HFS+ fil...
Base CWE-73External Control of File Name or Path
The product allows user input to control or influence paths or file names that are used in filesystem operations.
Class CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
The product constructs all or part of a command, data structure, or record using externally-influenced input from an ups...
Class CWE-75Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)
The product does not adequately filter user-controlled input for special elements with control implications.
Base CWE-76Improper Neutralization of Equivalent Special Elements
The product correctly neutralizes certain special elements, but it improperly neutralizes equivalent special elements.
Class CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
The product constructs all or part of a command using externally-influenced input from an upstream component, but it doe...
Base CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it...
Base CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is...
Variant CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special cha...
Variant CWE-81Improper Neutralization of Script in an Error Message Web Page
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special cha...
Variant CWE-82Improper Neutralization of Script in Attributes of IMG Tags in a Web Page
The web application does not neutralize or incorrectly neutralizes scripting elements within attributes of HTML IMG tags...
Variant CWE-83Improper Neutralization of Script in Attributes in a Web Page
The product does not neutralize or incorrectly neutralizes "javascript:" or other URIs from dangerous attributes within ...
Variant CWE-84Improper Neutralization of Encoded URI Schemes in a Web Page
The web application improperly neutralizes user-controlled input for executable script disguised with URI encodings.
Variant CWE-85Doubled Character XSS Manipulations
The web application does not filter user-controlled input for executable script disguised using doubling of the involved...
Variant CWE-86Improper Neutralization of Invalid Characters in Identifiers in Web Pages
The product does not neutralize or incorrectly neutralizes invalid characters or byte sequences in the middle of tag nam...
Variant CWE-87Improper Neutralization of Alternate XSS Syntax
The product does not neutralize or incorrectly neutralizes user-controlled input for alternate script syntax.
Base CWE-88Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
The product constructs a string for a command to be executed by a separate component in another control sphere, but it d...
Base CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but i...
Base CWE-90Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
The product constructs all or part of an LDAP query using externally-influenced input from an upstream component, but it...
Base CWE-91XML Injection (aka Blind XPath Injection)
The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax,...
Base CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')
The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does ...
Base CWE-94Improper Control of Generation of Code ('Code Injection')
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but i...
Variant CWE-95Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes code syntax...
Base CWE-96Improper Neutralization of Directives in Statically Saved Code ('Static Code Injection')
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes code syntax...
Variant CWE-97Improper Neutralization of Server-Side Includes (SSI) Within a Web Page
The product generates a web page, but does not neutralize or incorrectly neutralizes user-controllable input that could ...
Variant CWE-98Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
The PHP application receives input from an upstream component, but it does not restrict or incorrectly restricts the inp...
Class CWE-99Improper Control of Resource Identifiers ('Resource Injection')
The product receives input from an upstream component, but it does not restrict or incorrectly restricts the input befor...
Variant CWE-102Struts: Duplicate Validation Forms
The product uses multiple validation forms with the same name, which might cause the Struts Validator to validate a form...
Variant CWE-103Struts: Incomplete validate() Method Definition
The product has a validator form that either does not define a validate() method, or defines a validate() method but doe...
Variant CWE-104Struts: Form Bean Does Not Extend Validation Class
If a form bean does not extend an ActionForm subclass of the Validator framework, it can expose the application to other...
Variant CWE-105Struts: Form Field Without Validator
The product has a form field that is not validated by a corresponding validation form, which can introduce other weaknes...
Variant CWE-106Struts: Plug-in Framework not in Use
When an application does not use an input validation framework such as the Struts Validator, there is a greater risk of ...
Variant CWE-107Struts: Unused Validation Form
An unused validation form indicates that validation logic is not up-to-date.
Variant CWE-108Struts: Unvalidated Action Form
Every Action Form must have a corresponding validation form.
Variant CWE-109Struts: Validator Turned Off
Automatic filtering via a Struts bean has been turned off, which disables the Struts Validator and custom validation log...
Variant CWE-110Struts: Validator Without Form Field
Validation fields that do not appear in forms they are associated with indicate that the validation logic is out of date...
Variant CWE-111Direct Use of Unsafe JNI
When a Java application uses the Java Native Interface (JNI) to call code written in another programming language, it ca...
Base CWE-112Missing XML Validation
The product accepts XML from an untrusted source but does not validate the XML against the proper schema.
Variant CWE-113Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutral...
Class CWE-114Process Control
Executing commands or loading libraries from an untrusted source or in an untrusted environment can cause an application...
Base CWE-115Misinterpretation of Input
The product misinterprets an input, whether from an attacker or another product, in a security-relevant fashion.
Class CWE-116Improper Encoding or Escaping of Output
The product prepares a structured message for communication with another component, but encoding or escaping of the data...
Base CWE-117Improper Output Neutralization for Logs
The product constructs a log message from external input, but it does not neutralize or incorrectly neutralizes special ...
Class CWE-118Incorrect Access of Indexable Resource ('Range Error')
The product does not restrict or incorrectly restricts operations within the boundaries of a resource that is accessed u...
Class CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer'...
Base CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than ...
Variant CWE-121Stack-based Buffer Overflow
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e...
Variant CWE-122Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portio...
Base CWE-123Write-what-where Condition
Any condition where the attacker has the ability to write an arbitrary value to an arbitrary location, often as the resu...
Base CWE-124Buffer Underwrite ('Buffer Underflow')
The product writes to a buffer using an index or pointer that references a memory location prior to the beginning of the...
Base CWE-125Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
Variant CWE-126Buffer Over-read
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locatio...
Variant CWE-127Buffer Under-read
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locatio...
Base CWE-128Wrap-around Error
Wrap around errors occur whenever a value is incremented past the maximum value for its type and therefore "wraps around...
Variant CWE-129Improper Validation of Array Index
The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrec...
Base CWE-130Improper Handling of Length Parameter Inconsistency
The product parses a formatted message or structure, but it does not handle or incorrectly handles a length field that i...
Base CWE-131Incorrect Calculation of Buffer Size
The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer over...
Base CWE-134Use of Externally-Controlled Format String
The product uses a function that accepts a format string as an argument, but the format string originates from an extern...
Base CWE-135Incorrect Calculation of Multi-Byte String Length
The product does not correctly calculate the length of strings that can contain wide or multi-byte characters.
Class CWE-138Improper Neutralization of Special Elements
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Base CWE-140Improper Neutralization of Delimiters
The product does not neutralize or incorrectly neutralizes delimiters.
Variant CWE-141Improper Neutralization of Parameter/Argument Delimiters
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-142Improper Neutralization of Value Delimiters
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-143Improper Neutralization of Record Delimiters
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-144Improper Neutralization of Line Delimiters
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-145Improper Neutralization of Section Delimiters
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-146Improper Neutralization of Expression/Command Delimiters
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-147Improper Neutralization of Input Terminators
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-148Improper Neutralization of Input Leaders
The product does not properly handle when a leading character or sequence ("leader") is missing or malformed, or if mult...
Variant CWE-149Improper Neutralization of Quoting Syntax
Quotes injected into a product can be used to compromise a system. As data are parsed, an injected/absent/duplicate/malf...
Variant CWE-150Improper Neutralization of Escape, Meta, or Control Sequences
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-151Improper Neutralization of Comment Delimiters
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-152Improper Neutralization of Macro Symbols
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-153Improper Neutralization of Substitution Characters
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-154Improper Neutralization of Variable Name Delimiters
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-155Improper Neutralization of Wildcards or Matching Symbols
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-156Improper Neutralization of Whitespace
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special ele...
Variant CWE-157Failure to Sanitize Paired Delimiters
The product does not properly handle the characters that are used to mark the beginning and ending of a group of entitie...
Variant CWE-158Improper Neutralization of Null Byte or NUL Character
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes NUL charact...
Class CWE-159Improper Handling of Invalid Use of Special Elements
The product does not properly filter, remove, quote, or otherwise manage the invalid use of special elements in user-con...
Variant CWE-160Improper Neutralization of Leading Special Elements
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes leading spe...
Variant CWE-161Improper Neutralization of Multiple Leading Special Elements
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes multiple le...
Variant CWE-162Improper Neutralization of Trailing Special Elements
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes trailing sp...
Variant CWE-163Improper Neutralization of Multiple Trailing Special Elements
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes multiple tr...
Variant CWE-164Improper Neutralization of Internal Special Elements
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes internal sp...
Variant CWE-165Improper Neutralization of Multiple Internal Special Elements
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes multiple in...
Base CWE-166Improper Handling of Missing Special Element
The product receives input from an upstream component, but it does not handle or incorrectly handles when an expected sp...
Base CWE-167Improper Handling of Additional Special Element
The product receives input from an upstream component, but it does not handle or incorrectly handles when an additional ...
Base CWE-168Improper Handling of Inconsistent Special Elements
The product does not properly handle input in which an inconsistency exists between two or more special characters or re...
Base CWE-170Improper Null Termination
The product does not terminate or incorrectly terminates a string or array with a null character or equivalent terminato...
Class CWE-172Encoding Error
The product does not properly encode or decode the data, resulting in unexpected values.
Variant CWE-173Improper Handling of Alternate Encoding
The product does not properly handle when an input uses an alternate encoding that is valid for the control sphere to wh...
Variant CWE-174Double Decoding of the Same Data
The product decodes the same input twice, which can limit the effectiveness of any protection mechanism that occurs in b...
Variant CWE-175Improper Handling of Mixed Encoding
The product does not properly handle when the same input uses several different (mixed) encodings.
Variant CWE-176Improper Handling of Unicode Encoding
The product does not properly handle when an input contains Unicode encoding.
Variant CWE-177Improper Handling of URL Encoding (Hex Encoding)
The product does not properly handle when all or part of an input has been URL encoded.
Base CWE-178Improper Handling of Case Sensitivity
The product does not properly account for differences in case sensitivity when accessing or determining the properties o...
Base CWE-179Incorrect Behavior Order: Early Validation
The product validates input before applying protection mechanisms that modify the input, which could allow an attacker t...
Variant CWE-180Incorrect Behavior Order: Validate Before Canonicalize
The product validates input before it is canonicalized, which prevents the product from detecting data that becomes inva...
Variant CWE-181Incorrect Behavior Order: Validate Before Filter
The product validates data before it has been filtered, which prevents the product from detecting data that becomes inva...
Base CWE-182Collapse of Data into Unsafe Value
The product filters data in a way that causes it to be reduced or "collapsed" into an unsafe value that violates an expe...
Base CWE-183Permissive List of Allowed Inputs
The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are explici...
Base CWE-184Incomplete List of Disallowed Inputs
The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not all...
Class CWE-185Incorrect Regular Expression
The product specifies a regular expression in a way that causes data to be improperly matched or compared.
Base CWE-186Overly Restrictive Regular Expression
A regular expression is overly restrictive, which prevents dangerous values from being detected.
Variant CWE-187Partial String Comparison
The product performs a comparison that only examines a portion of a factor before determining whether there is a match, ...
Base CWE-188Reliance on Data/Memory Layout
The product makes invalid assumptions about how protocol data or memory is organized at a lower level, resulting in unin...
Base CWE-190Integer Overflow or Wraparound
The product performs a calculation that can produce an integer overflow or wraparound when the logic a...
Base CWE-191Integer Underflow (Wrap or Wraparound)
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, whi...
Variant CWE-192Integer Coercion Error
Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data typ...
Base CWE-193Off-by-one Error
A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.
Variant CWE-194Unexpected Sign Extension
The product performs an operation on a number that causes it to be sign extended when it is transformed into a larger da...
Variant CWE-195Signed to Unsigned Conversion Error
The product uses a signed primitive and performs a cast to an unsigned primitive, which can produce an unexpected value ...
Variant CWE-196Unsigned to Signed Conversion Error
The product uses an unsigned primitive and performs a cast to a signed primitive, which can produce an unexpected value ...
Base CWE-197Numeric Truncation Error
Truncation errors occur when a primitive is cast to a primitive of a smaller size and data is lost in the conversion.
Variant CWE-198Use of Incorrect Byte Ordering
The product receives input from an upstream component, but it does not account for byte ordering (e.g. big-endian and li...
Class CWE-200Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that informati...
Base CWE-201Insertion of Sensitive Information Into Sent Data
The code transmits data to another actor, but a portion of the data includes sensitive information that should not be ac...
Base CWE-202Exposure of Sensitive Information Through Data Queries
When trying to keep information confidential, an attacker can often infer some of the information by using statistics.
Base CWE-203Observable Discrepancy
The product behaves differently or sends different responses under different circumstances in a way that is observable t...
Base CWE-204Observable Response Discrepancy
The product provides different responses to incoming requests in a way that reveals internal state information to an una...
Base CWE-205Observable Behavioral Discrepancy
The product's behaviors indicate important differences that may be observed by unauthorized actors in a way that reveals...
Variant CWE-206Observable Internal Behavioral Discrepancy
The product performs multiple behaviors that are combined to produce a single result, but the individual behaviors are o...
Variant CWE-207Observable Behavioral Discrepancy With Equivalent Products
The product operates in an environment in which its existence or specific identity should not be known, but it behaves d...
Base CWE-208Observable Timing Discrepancy
Two separate operations in a product require different amounts of time to complete, in a way that is observable to an ac...
Base CWE-209Generation of Error Message Containing Sensitive Information
The product generates an error message that includes sensitive information about its environment, users, or associated d...
Base CWE-210Self-generated Error Message Containing Sensitive Information
The product identifies an error condition and creates its own diagnostic or error messages that contain sensitive inform...
Base CWE-211Externally-Generated Error Message Containing Sensitive Information
The product performs an operation that triggers an external diagnostic or error message that is not directly generated o...
Base CWE-212Improper Removal of Sensitive Information Before Storage or Transfer
The product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove...
Base CWE-213Exposure of Sensitive Information Due to Incompatible Policies
The product's intended functionality exposes information to certain actors in accordance with the developer's security p...
Base CWE-214Invocation of Process Using Visible Sensitive Information
A process is invoked with sensitive command-line arguments, environment variables, or other elements that can be seen by...
Base CWE-215Insertion of Sensitive Information Into Debugging Code
The product inserts sensitive information into debugging code, which could expose this information if the debugging code...
Variant CWE-219Storage of File with Sensitive Data Under Web Root
The product stores sensitive data under the web document root with insufficient access control, which might make it acce...
Variant CWE-220Storage of File With Sensitive Data Under FTP Root
The product stores sensitive data under the FTP server root with insufficient access control, which might make it access...
Class CWE-221Information Loss or Omission
The product does not record, or improperly records, security-relevant information that leads to an incorrect decision or...
Base CWE-222Truncation of Security-relevant Information
The product truncates the display, recording, or processing of security-relevant information in a way that can obscure t...
Base CWE-223Omission of Security-relevant Information
The product does not record or display information that would be important for identifying the source or nature of an at...
Base CWE-224Obscured Security-relevant Information by Alternate Name
The product records security-relevant information according to an alternate name of the affected entity, instead of the ...
Base CWE-226Sensitive Information in Resource Not Removed Before Reuse
The product releases a resource such as memory or a file so that it can be made available for reuse, but it does not cle...
Class CWE-228Improper Handling of Syntactically Invalid Structure
The product does not handle or incorrectly handles input that is not syntactically well-formed with respect to the assoc...
Base CWE-229Improper Handling of Values
The product does not properly handle when the expected number of values for parameters, fields, or arguments is not prov...
Variant CWE-230Improper Handling of Missing Values
The product does not handle or incorrectly handles when a parameter, field, or argument name is specified, but the assoc...
Variant CWE-231Improper Handling of Extra Values
The product does not handle or incorrectly handles when more values are provided than expected.
Variant CWE-232Improper Handling of Undefined Values
The product does not handle or incorrectly handles when a value is not defined or supported for the associated parameter...
Base CWE-233Improper Handling of Parameters
The product does not properly handle when the expected number of parameters, fields, or arguments is not provided in inp...
Variant CWE-234Failure to Handle Missing Parameter
If too few arguments are sent to a function, the function will still pop the expected number of arguments from the stack...
Variant CWE-235Improper Handling of Extra Parameters
The product does not handle or incorrectly handles when the number of parameters, fields, or arguments with the same nam...
Variant CWE-236Improper Handling of Undefined Parameters
The product does not handle or incorrectly handles when a particular parameter, field, or argument name is not defined o...
Base CWE-237Improper Handling of Structural Elements
The product does not handle or incorrectly handles inputs that are related to complex structures.
Variant CWE-238Improper Handling of Incomplete Structural Elements
The product does not handle or incorrectly handles when a particular structural element is not completely specified.
Variant CWE-239Failure to Handle Incomplete Element
The product does not properly handle when a particular element is not completely specified.
Base CWE-240Improper Handling of Inconsistent Structural Elements
The product does not handle or incorrectly handles when two or more structural elements should be consistent, but are no...
Base CWE-241Improper Handling of Unexpected Data Type
The product does not handle or incorrectly handles when a particular element is not the expected type, e.g. it expects a...
Base CWE-242Use of Inherently Dangerous Function
The product calls a function that can never be guaranteed to work safely.
Variant CWE-243Creation of chroot Jail Without Changing Working Directory
The product uses the chroot() system call to create a jail, but does not change the working directory afterward. This do...
Variant CWE-244Improper Clearing of Heap Memory Before Release ('Heap Inspection')
Using realloc() to resize buffers that store sensitive information can leave the sensitive information exposed to attack...
Variant CWE-245J2EE Bad Practices: Direct Management of Connections
The J2EE application directly manages connections, instead of using the container's connection management facilities.
Variant CWE-246J2EE Bad Practices: Direct Use of Sockets
The J2EE application directly uses sockets instead of using framework method calls.
Base CWE-248Uncaught Exception
An exception is thrown from a function, but it is not caught.
Base CWE-250Execution with Unnecessary Privileges
The product performs an operation at a privilege level that is higher than the minimum level required, which creates new...
Base CWE-252Unchecked Return Value
The product does not check the return value from a method or function, which can prevent it from detecting unexpected st...
Base CWE-253Incorrect Check of Function Return Value
The product incorrectly checks a return value from a function, which prevents it from detecting errors or exceptional co...
Base CWE-256Plaintext Storage of a Password
The product stores a password in plaintext within resources such as memory or files.
Base CWE-257Storing Passwords in a Recoverable Format
The storage of passwords in a recoverable format makes them subject to password reuse attacks by malicious users. In fac...
Variant CWE-258Empty Password in Configuration File
Using an empty string as a password is insecure.
Variant CWE-259Use of Hard-coded Password
The product contains a hard-coded password, which it uses for its own inbound authentication or for outbound communicati...
Base CWE-260Password in Configuration File
The product stores a password in a configuration file that might be accessible to actors who do not know the password.
Base CWE-261Weak Encoding for Password
Obscuring a password with a trivial encoding does not protect the password.
Base CWE-262Not Using Password Aging
The product does not have a mechanism in place for managing password aging.
Base CWE-263Password Aging with Long Expiration
The product supports password aging, but the expiration period is too long.
Base CWE-266Incorrect Privilege Assignment
A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor...
Base CWE-267Privilege Defined With Unsafe Actions
A particular privilege, role, capability, or right can be used to perform unsafe actions that were not intended, even wh...
Base CWE-268Privilege Chaining
Two distinct privileges, roles, capabilities, or rights can be combined in a way that allows an entity to perform unsafe...
Class CWE-269Improper Privilege Management
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of ...
Base CWE-270Privilege Context Switching Error
The product does not properly manage privileges while it is switching between different contexts that have different pri...
Class CWE-271Privilege Dropping / Lowering Errors
The product does not drop privileges before passing control of a resource to an actor that does not have those privilege...
Base CWE-272Least Privilege Violation
The elevated privilege level required to perform operations such as chroot() should be dropped immediately after the ope...
Base CWE-273Improper Check for Dropped Privileges
The product attempts to drop privileges but does not check or incorrectly checks to see if the drop succeeded.
Base CWE-274Improper Handling of Insufficient Privileges
The product does not handle or incorrectly handles when it has insufficient privileges to perform an operation, leading ...
Base CWE-276Incorrect Default Permissions
During installation, installed file permissions are set to allow anyone to modify those files.
Variant CWE-277Insecure Inherited Permissions
A product defines a set of insecure permissions that are inherited by objects that are created by the program.
Variant CWE-278Insecure Preserved Inherited Permissions
A product inherits a set of insecure permissions for an object, e.g. when copying from an archive file, without user awa...
Variant CWE-279Incorrect Execution-Assigned Permissions
While it is executing, the product sets the permissions of an object in a way that violates the intended permissions tha...
Base CWE-280Improper Handling of Insufficient Permissions or Privileges
The product does not handle or incorrectly handles when it has insufficient privileges to access resources or functional...
Base CWE-281Improper Preservation of Permissions
The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objec...
Class CWE-282Improper Ownership Management
The product assigns the wrong ownership, or does not properly verify the ownership, of an object or resource.
Base CWE-283Unverified Ownership
The product does not properly verify that a critical resource is owned by the proper entity.
Pillar CWE-284Improper Access Control
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Class CWE-285Improper Authorization
The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource ...
Class CWE-286Incorrect User Management
The product does not properly manage a user within its environment.
Class CWE-287Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is cor...
Base CWE-288Authentication Bypass Using an Alternate Path or Channel
The product requires authentication, but the product has an alternate path or channel that does not require authenticati...
Base CWE-289Authentication Bypass by Alternate Name
The product performs authentication based on the name of a resource being accessed, or the name of the actor performing ...
Base CWE-290Authentication Bypass by Spoofing
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing at...
Variant CWE-291Reliance on IP Address for Authentication
The product uses an IP address for authentication.
Variant CWE-293Using Referer Field for Authentication
The referer field in HTTP requests can be easily modified and, as such, is not a valid means of message integrity checki...
Base CWE-294Authentication Bypass by Capture-replay
A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traf...
Base CWE-295Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.
Base CWE-296Improper Following of a Certificate's Chain of Trust
The product does not follow, or incorrectly follows, the chain of trust for a certificate back to a trusted root certifi...
Variant CWE-297Improper Validation of Certificate with Host Mismatch
The product communicates with a host that provides a certificate, but the product does not properly ensure that the cert...
Variant CWE-298Improper Validation of Certificate Expiration
A certificate expiration is not validated or is incorrectly validated.
Base CWE-299Improper Check for Certificate Revocation
The product does not check or incorrectly checks the revocation status of a certificate, which may cause it to use a cer...
Class CWE-300Channel Accessible by Non-Endpoint
The product does not adequately verify the identity of actors at both ends of a communication channel, or does not adequ...
Base CWE-301Reflection Attack in an Authentication Protocol
Simple authentication protocols are subject to reflection attacks if a malicious user can use the target machine to impe...
Base CWE-302Authentication Bypass by Assumed-Immutable Data
The authentication scheme or implementation uses key data elements that are assumed to be immutable, but can be controll...
Base CWE-303Incorrect Implementation of Authentication Algorithm
The requirements for the product dictate the use of an established authentication algorithm, but the implementation of t...
Base CWE-304Missing Critical Step in Authentication
The product implements an authentication technique, but it skips a step that weakens the technique.
Base CWE-305Authentication Bypass by Primary Weakness
The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weaknes...
Base CWE-306Missing Authentication for Critical Function
The product does not perform any authentication for functionality that requires a provable user identity or consumes a s...
Base CWE-307Improper Restriction of Excessive Authentication Attempts
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short tim...
Base CWE-308Use of Single-factor Authentication
The product uses an authentication algorithm that uses a single factor (e.g., a password) in a security context that sho...
Base CWE-309Use of Password System for Primary Authentication
The use of password systems as the primary means of authentication may be subject to several flaws or shortcomings, each...
Class CWE-311Missing Encryption of Sensitive Data
The product does not encrypt sensitive or critical information before storage or transmission.
Base CWE-312Cleartext Storage of Sensitive Information
The product stores sensitive information in cleartext within a resource that might be accessible to another control sphe...
Variant CWE-313Cleartext Storage in a File or on Disk
The product stores sensitive information in cleartext in a file, or on disk.
Variant CWE-314Cleartext Storage in the Registry
The product stores sensitive information in cleartext in the registry.
Variant CWE-315Cleartext Storage of Sensitive Information in a Cookie
The product stores sensitive information in cleartext in a cookie.
Variant CWE-316Cleartext Storage of Sensitive Information in Memory
The product stores sensitive information in cleartext in memory.
Variant CWE-317Cleartext Storage of Sensitive Information in GUI
The product stores sensitive information in cleartext within the GUI.
Variant CWE-318Cleartext Storage of Sensitive Information in Executable
The product stores sensitive information in cleartext in an executable.
Base CWE-319Cleartext Transmission of Sensitive Information
The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by...
Variant CWE-321Use of Hard-coded Cryptographic Key
The product uses a hard-coded, unchangeable cryptographic key.
Base CWE-322Key Exchange without Entity Authentication
The product performs a key exchange with an actor without verifying the identity of that actor.
Base CWE-323Reusing a Nonce, Key Pair in Encryption
Nonces should be used for the present occasion and only once.
Base CWE-324Use of a Key Past its Expiration Date
The product uses a cryptographic key or password past its expiration date, which diminishes its safety significantly by ...
Base CWE-325Missing Cryptographic Step
The product does not implement a required step in a cryptographic algorithm, resulting in weaker encryption than adverti...
Class CWE-326Inadequate Encryption Strength
The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong...
Class CWE-327Use of a Broken or Risky Cryptographic Algorithm
The product uses a broken or risky cryptographic algorithm or protocol.
Base CWE-328Use of Weak Hash
The product uses an algorithm that produces a digest (output value) that does not meet security expectations for a hash ...
Variant CWE-329Generation of Predictable IV with CBC Mode
The product generates and uses a predictable initialization Vector (IV) with Cipher Block Chaining (CBC) Mode, which cau...
Class CWE-330Use of Insufficiently Random Values
The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
Base CWE-331Insufficient Entropy
The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that ...
Variant CWE-332Insufficient Entropy in PRNG
The lack of entropy available for, or used by, a Pseudo-Random Number Generator (PRNG) can be a stability and security t...
Variant CWE-333Improper Handling of Insufficient Entropy in TRNG
True random number generators (TRNG) generally have a limited source of entropy and therefore can fail or block.
Base CWE-334Small Space of Random Values
The number of possible random values is smaller than needed by the product, making it more susceptible to brute force at...
Base CWE-335Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)
The product uses a Pseudo-Random Number Generator (PRNG) but does not correctly manage seeds.
Variant CWE-336Same Seed in Pseudo-Random Number Generator (PRNG)
A Pseudo-Random Number Generator (PRNG) uses the same seed each time the product is initialized.
Variant CWE-337Predictable Seed in Pseudo-Random Number Generator (PRNG)
A Pseudo-Random Number Generator (PRNG) is initialized from a predictable seed, such as the process ID or system time.
Base CWE-338Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptogr...
Variant CWE-339Small Seed Space in PRNG
A Pseudo-Random Number Generator (PRNG) uses a relatively small seed space, which makes it more susceptible to brute for...
Class CWE-340Generation of Predictable Numbers or Identifiers
The product uses a scheme that generates numbers or identifiers that are more predictable than required.
Base CWE-341Predictable from Observable State
A number or object is predictable based on observations that the attacker can make about the state of the system or netw...
Base CWE-342Predictable Exact Value from Previous Values
An exact value or random number can be precisely predicted by observing previous values.
Base CWE-343Predictable Value Range from Previous Values
The product's random number generator produces a series of values which, when observed, can be used to infer a relativel...
Base CWE-344Use of Invariant Value in Dynamically Changing Context
The product uses a constant value, name, or reference, but this value can (or should) vary across different environments...
Class CWE-345Insufficient Verification of Data Authenticity
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid d...
Class CWE-346Origin Validation Error
The product does not properly verify that the source of data or communication is valid.
Base CWE-347Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
Base CWE-348Use of Less Trusted Source
The product has two different sources of the same data or information, but it uses the source that has less support for ...
Base CWE-349Acceptance of Extraneous Untrusted Data With Trusted Data
The product, when processing trusted data, accepts any untrusted data that is also included with the trusted data, treat...
Variant CWE-350Reliance on Reverse DNS Resolution for a Security-Critical Action
The product performs reverse DNS resolution on an IP address to obtain the hostname and make a security decision, but it...
Base CWE-351Insufficient Type Distinction
The product does not properly distinguish between different types of elements in a way that leads to insecure behavior.
Compound CWE-352Cross-Site Request Forgery (CSRF)
The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user wh...
Base CWE-353Missing Support for Integrity Check
The product uses a transmission protocol that does not include a mechanism for verifying the integrity of the data durin...
Base CWE-354Improper Validation of Integrity Check Value
The product does not validate or incorrectly validates the integrity check values or "checksums" of a message. This may ...
Base CWE-356Product UI does not Warn User of Unsafe Actions
The product's user interface does not warn the user before undertaking an unsafe action on behalf of that user. This mak...
Base CWE-357Insufficient UI Warning of Dangerous Operations
The user interface provides a warning to a user regarding dangerous or sensitive operations, but the warning is not noti...
Base CWE-358Improperly Implemented Security Check for Standard
The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design...
Base CWE-359Exposure of Private Personal Information to an Unauthorized Actor
The product does not properly prevent a person's private, personal information from being accessed by actors who either ...
Base CWE-360Trust of System Event Data
Security based on event locations are insecure and can be spoofed.
Class CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a ti...
Base CWE-363Race Condition Enabling Link Following
The product checks the status of a file or directory before accessing it, which produces a race condition in which the f...
Base CWE-364Signal Handler Race Condition
The product uses a signal handler that introduces a race condition.
Base CWE-366Race Condition within a Thread
If two threads of execution use a resource simultaneously, there exists the possibility that resources may be used while...
Base CWE-367Time-of-check Time-of-use (TOCTOU) Race Condition
The product checks the state of a resource before using that resource, but the resource's state can change between the c...
Base CWE-368Context Switching Race Condition
A product performs a series of non-atomic actions to switch between contexts that cross privilege or other security boun...
Base CWE-369Divide By Zero
The product divides a value by zero.
Variant CWE-370Missing Check for Certificate Revocation after Initial Check
The product does not check the revocation status of a certificate after its initial revocation check, which can cause th...
Base CWE-372Incomplete Internal State Distinction
The product does not properly determine which state it is in, causing it to assume it is in state X when in fact it is i...
Base CWE-374Passing Mutable Objects to an Untrusted Method
The product sends non-cloned mutable data as an argument to a method or function.
Base CWE-375Returning a Mutable Object to an Untrusted Caller
Sending non-cloned mutable data as a return value may result in that data being altered or deleted by the calling functi...
Class CWE-377Insecure Temporary File
Creating and using insecure temporary files can leave application and system data vulnerable to attack.
Base CWE-378Creation of Temporary File With Insecure Permissions
Opening temporary files without appropriate measures or controls can leave the file, its contents and any function that ...
Base CWE-379Creation of Temporary File in Directory with Insecure Permissions
The product creates a temporary file in a directory whose permissions allow unintended actors to determine the file's ex...
Variant CWE-382J2EE Bad Practices: Use of System.exit()
A J2EE application uses System.exit(), which also shuts down its container.
Variant CWE-383J2EE Bad Practices: Direct Use of Threads
Thread management in a Web application is forbidden in some circumstances and is always highly error prone.
Compound CWE-384Session Fixation
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifie...
Base CWE-385Covert Timing Channel
Covert timing channels convey information by modulating some aspect of system behavior over time, so that the program re...
Base CWE-386Symbolic Name not Mapping to Correct Object
A constant symbolic reference to an object is used, even though the reference can resolve to a different object over tim...
Base CWE-390Detection of Error Condition Without Action
The product detects a specific error, but takes no actions to handle the error.
Base CWE-391Unchecked Error Condition
[PLANNED FOR DEPRECATION. SEE MAINTENANCE NOTES AND CONSIDER CWE-252, CWE-248, OR CWE-1069.] Ignoring exceptions and oth...
Base CWE-392Missing Report of Error Condition
The product encounters an error but does not provide a status code or return value to indicate that an error has occurre...
Base CWE-393Return of Wrong Status Code
A function or operation returns an incorrect return value or status code that does not indicate the true result of execu...
Base CWE-394Unexpected Status Code or Return Value
The product does not properly check when a function or operation returns a value that is legitimate for the function, bu...
Base CWE-395Use of NullPointerException Catch to Detect NULL Pointer Dereference
Catching NullPointerException should not be used as an alternative to programmatic checks to prevent dereferencing a nul...
Base CWE-396Declaration of Catch for Generic Exception
Catching overly broad exceptions promotes complex error handling code that is more likely to contain security vulnerabil...
Base CWE-397Declaration of Throws for Generic Exception
The product throws or raises an overly broad exceptions that can hide important details and produce inappropriate respon...
Class CWE-400Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource.
Variant CWE-401Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailab...
Class CWE-402Transmission of Private Resources into a New Sphere ('Resource Leak')
The product makes resources available to untrusted parties when those resources are only intended to be accessed by the ...
Base CWE-403Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak')
A process does not close sensitive file descriptors before invoking a child process, which allows the child to perform u...
Class CWE-404Improper Resource Shutdown or Release
The product does not release or incorrectly releases a resource before it is made available for re-use.
Class CWE-405Asymmetric Resource Consumption (Amplification)
The product does not properly control situations in which an adversary can cause the product to consume or produce exces...
Class CWE-406Insufficient Control of Network Message Volume (Network Amplification)
The product does not sufficiently monitor or control transmitted network traffic volume, so that an actor can cause the ...
Class CWE-407Inefficient Algorithmic Complexity
An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system perfo...
Base CWE-408Incorrect Behavior Order: Early Amplification
The product allows an entity to perform a legitimate but expensive operation before authentication or authorization has ...
Base CWE-409Improper Handling of Highly Compressed Data (Data Amplification)
The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a...
Class CWE-410Insufficient Resource Pool
The product's resource pool is not large enough to handle peak demand, which allows an attacker to prevent others from a...
Base CWE-412Unrestricted Externally Accessible Lock
The product properly checks for the existence of a lock, but the lock can be externally controlled or influenced by an a...
Base CWE-413Improper Resource Locking
The product does not lock or does not correctly lock a resource when the product must have exclusive access to the resou...
Base CWE-414Missing Lock Check
A product does not check to see if a lock is present before performing sensitive operations on a resource.
Variant CWE-415Double Free
The product calls free() twice on the same memory address.
Variant CWE-416Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated ag...
Base CWE-419Unprotected Primary Channel
The product uses a primary channel for administration or restricted functionality, but it does not properly protect the ...
Base CWE-420Unprotected Alternate Channel
The product protects a primary channel, but it does not use the same level of protection for an alternate channel.
Base CWE-421Race Condition During Access to Alternate Channel
The product opens an alternate channel to communicate with an authorized user, but the channel is accessible to other ac...
Variant CWE-422Unprotected Windows Messaging Channel ('Shatter')
The product does not properly verify the source of a message in the Windows Messaging System while running at elevated p...
Class CWE-424Improper Protection of Alternate Path
The product does not sufficiently protect all possible paths that a user can take to access restricted functionality or ...
Base CWE-425Direct Request ('Forced Browsing')
The web application does not adequately enforce appropriate authorization on all restricted URLs, scripts, or files.
Base CWE-426Untrusted Search Path
The product searches for critical resources using an externally-supplied search path that can point to resources that ar...
Base CWE-427Uncontrolled Search Path Element
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be unde...
Base CWE-428Unquoted Search Path or Element
The product uses a search path that contains an unquoted element, in which the element contains whitespace or other sepa...
Base CWE-430Deployment of Wrong Handler
The wrong "handler" is assigned to process an object.
Base CWE-431Missing Handler
A handler is not available or implemented.
Base CWE-432Dangerous Signal Handler not Disabled During Sensitive Operations
The product uses a signal handler that shares state with other signal handlers, but it does not properly mask or prevent...
Variant CWE-433Unparsed Raw Web Content Delivery
The product stores raw content or supporting code under the web document root with an extension that is not specifically...
Base CWE-434Unrestricted Upload of File with Dangerous Type
The product allows the upload or transfer of dangerous file types that are automatically processed within its environmen...
Pillar CWE-435Improper Interaction Between Multiple Correctly-Behaving Entities
An interaction error occurs when two entities have correct behavior when running independently of each other, but when t...
Class CWE-436Interpretation Conflict
Product A handles inputs or steps differently than Product B, which causes A to perform incorrect actions based on its p...
Base CWE-437Incomplete Model of Endpoint Features
A product acts as an intermediary or monitor between two or more endpoints, but it does not have a complete model of an ...
Base CWE-439Behavioral Change in New Version or Environment
A's behavior or functionality changes with a new version of A, or a new environment, which is not known (or manageable) ...
Base CWE-440Expected Behavior Violation
A feature, API, or function does not perform according to its specification.
Class CWE-441Unintended Proxy or Intermediary ('Confused Deputy')
The product receives a request, message, or directive from an upstream component, but the product does not sufficiently ...
Base CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two ...
Class CWE-446UI Discrepancy for Security Feature
The user interface does not correctly enable or configure a security feature, but the interface provides feedback that c...
Base CWE-447Unimplemented or Unsupported Feature in UI
A UI function for a security feature appears to be supported and gives feedback to the user that suggests that it is sup...
Base CWE-448Obsolete Feature in UI
A UI function is obsolete and the product does not warn the user.
Base CWE-449The UI Performs the Wrong Action
The UI performs the wrong action with respect to the user's request.
Base CWE-450Multiple Interpretations of UI Input
The UI has multiple interpretations of user input but does not prompt the user when it selects the less secure interpret...
Class CWE-451User Interface (UI) Misrepresentation of Critical Information
The user interface (UI) does not properly represent critical information to the user, allowing the information - or its ...
Variant CWE-453Insecure Default Variable Initialization
The product, by default, initializes an internal variable with an insecure or less secure value than is possible.
Base CWE-454External Initialization of Trusted Variables or Data Stores
The product initializes critical internal variables or data stores using inputs that can be modified by untrusted actors...
Base CWE-455Non-exit on Failed Initialization
The product does not exit or otherwise modify its operation when security-relevant errors occur during initialization, s...
Variant CWE-456Missing Initialization of a Variable
The product does not initialize critical variables, which causes the execution environment to use unexpected values.
Variant CWE-457Use of Uninitialized Variable
The code uses a variable that has not been initialized, leading to unpredictable or unintended results.
Base CWE-459Incomplete Cleanup
The product does not properly "clean up" and remove temporary or supporting resources after they have been used.
Base CWE-460Improper Cleanup on Thrown Exception
The product does not clean up its state or incorrectly cleans up its state when an exception is thrown, leading to unexp...
Variant CWE-462Duplicate Key in Associative List (Alist)
Duplicate keys in associative lists can lead to non-unique keys being mistaken for an error.
Base CWE-463Deletion of Data Structure Sentinel
The accidental deletion of a data-structure sentinel can cause serious programming logic problems.
Base CWE-464Addition of Data Structure Sentinel
The accidental addition of a data-structure sentinel can cause serious programming logic problems.
Base CWE-466Return of Pointer Value Outside of Expected Range
A function can return a pointer to memory that is outside of the buffer that the pointer is expected to reference.
Variant CWE-467Use of sizeof() on a Pointer Type
The code calls sizeof() on a pointer type, which can be an incorrect calculation if the programmer intended to determine...
Base CWE-468Incorrect Pointer Scaling
In C and C++, one may often accidentally refer to the wrong memory due to the semantics of when math operations are impl...
Base CWE-469Use of Pointer Subtraction to Determine Size
The product subtracts one pointer from another in order to determine size, but this calculation can be incorrect if the ...
Base CWE-470Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
The product uses external input with reflection to select which classes or code to use, but it does not sufficiently pre...
Base CWE-471Modification of Assumed-Immutable Data (MAID)
The product does not properly protect an assumed-immutable element from being modified by an attacker.
Base CWE-472External Control of Assumed-Immutable Web Parameter
The web application does not sufficiently verify inputs that are assumed to be immutable but are actually externally con...
Variant CWE-473PHP External Variable Modification
A PHP application does not properly protect against the modification of variables from external sources, such as query p...
Base CWE-474Use of Function with Inconsistent Implementations
The code uses a function that has inconsistent implementations across operating systems and versions.
Base CWE-475Undefined Behavior for Input to API
The behavior of this function is undefined unless its control parameter is set to a specific value.
Base CWE-476NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Base CWE-477Use of Obsolete Function
The code uses deprecated or obsolete functions, which suggests that the code has not been actively reviewed or maintaine...
Base CWE-478Missing Default Case in Multiple Condition Expression
The code does not have a default case in an expression with multiple conditions, such as a switch statement.
Variant CWE-479Signal Handler Use of a Non-reentrant Function
The product defines a signal handler that calls a non-reentrant function.
Base CWE-480Use of Incorrect Operator
The product accidentally uses the wrong operator, which changes the logic in security-relevant ways.
Variant CWE-481Assigning instead of Comparing
The code uses an operator for assignment when the intention was to perform a comparison.
Variant CWE-482Comparing instead of Assigning
The code uses an operator for comparison when the intention was to perform an assignment.
Base CWE-483Incorrect Block Delimitation
The code does not explicitly delimit a block that is intended to contain 2 or more statements, creating a logic error.
Base CWE-484Omitted Break Statement in Switch
The product omits a break statement within a switch or similar construct, causing code associated with multiple conditio...
Variant CWE-486Comparison of Classes by Name
The product compares classes by name, which can cause it to use the wrong class when multiple classes can have the same ...
Base CWE-487Reliance on Package-level Scope
Java packages are not inherently closed; therefore, relying on them for code security is not a good practice.
Base CWE-488Exposure of Data Element to Wrong Session
The product does not sufficiently enforce boundaries between the states of different sessions, causing data to be provid...
Base CWE-489Active Debug Code
The product is released with debugging code still enabled or active.
Variant CWE-491Public cloneable() Method Without Final ('Object Hijack')
A class has a cloneable() method that is not declared final, which allows an object to be created without calling the co...
Variant CWE-492Use of Inner Class Containing Sensitive Data
Inner classes are translated into classes that are accessible at package scope and may expose code that the programmer i...
Variant CWE-493Critical Public Variable Without Final Modifier
The product has a critical public variable that is not final, which allows the variable to be modified to contain unexpe...
Base CWE-494Download of Code Without Integrity Check
The product downloads source code or an executable from a remote location and executes the code without sufficiently ver...
Variant CWE-495Private Data Structure Returned From A Public Method
The product has a method that is declared public, but returns a reference to a private data structure, which could then ...
Variant CWE-496Public Data Assigned to Private Array-Typed Field
Assigning public data to a private array is equivalent to giving public access to the array.
Base CWE-497Exposure of Sensitive System Information to an Unauthorized Control Sphere
The product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who ...
Variant CWE-498Cloneable Class Containing Sensitive Information
The code contains a class with sensitive data, but the class is cloneable. The data can then be accessed by cloning the ...
Variant CWE-499Serializable Class Containing Sensitive Data
The code contains a class with sensitive data, but the class does not explicitly deny serialization. The data can be acc...
Variant CWE-500Public Static Field Not Marked Final
An object contains a public static field that is not marked final, which might allow it to be modified in unexpected way...
Base CWE-501Trust Boundary Violation
The product mixes trusted and untrusted data in the same data structure or structured message.
Base CWE-502Deserialization of Untrusted Data
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
Class CWE-506Embedded Malicious Code
The product contains code that appears to be malicious in nature.
Base CWE-507Trojan Horse
The product appears to contain benign or useful functionality, but it also contains code that is hidden from normal oper...
Base CWE-508Non-Replicating Malicious Code
Non-replicating malicious code only resides on the target system or product that is attacked; it does not attempt to spr...
Base CWE-509Replicating Malicious Code (Virus or Worm)
Replicating malicious code, including viruses and worms, will attempt to attack other systems once it has successfully c...
Base CWE-510Trapdoor
A trapdoor is a hidden piece of code that responds to a special input, allowing its user access to resources without pas...
Base CWE-511Logic/Time Bomb
The product contains code that is designed to disrupt the legitimate operation of the product (or its environment) when ...
Base CWE-512Spyware
The product collects personally identifiable information about a human user or the user's activities, but the product ac...
Class CWE-514Covert Channel
A covert channel is a path that can be used to transfer information in a way not intended by the system's designers.
Base CWE-515Covert Storage Channel
A covert storage channel transfers information through the setting of bits by one program and the reading of those bits ...
Variant CWE-520.NET Misconfiguration: Use of Impersonation
Allowing a .NET application to run at potentially escalated levels of access to the underlying operating and file system...
Base CWE-521Weak Password Requirements
The product does not require that users should have strong passwords.
Class CWE-522Insufficiently Protected Credentials
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauth...
Base CWE-523Unprotected Transport of Credentials
Login pages do not use adequate measures to protect the user name and password while they are in transit from the client...
Base CWE-524Use of Cache Containing Sensitive Information
The code uses a cache that contains sensitive information, but the cache can be read by an actor outside of the intended...
Variant CWE-525Use of Web Browser Cache Containing Sensitive Information
The web application does not use an appropriate caching policy that specifies the extent to which each web page and asso...
Variant CWE-526Cleartext Storage of Sensitive Information in an Environment Variable
The product uses an environment variable to store unencrypted sensitive information.
Variant CWE-527Exposure of Version-Control Repository to an Unauthorized Control Sphere
The product stores a CVS, git, or other repository in a directory, archive, or other resource that is stored, transferre...
Variant CWE-528Exposure of Core Dump File to an Unauthorized Control Sphere
The product generates a core dump file in a directory, archive, or other resource that is stored, transferred, or otherw...
Variant CWE-529Exposure of Access Control List Files to an Unauthorized Control Sphere
The product stores access control list files in a directory or other container that is accessible to actors outside of t...
Variant CWE-530Exposure of Backup File to an Unauthorized Control Sphere
A backup file is stored in a directory or archive that is made accessible to unauthorized actors.
Variant CWE-531Inclusion of Sensitive Information in Test Code
Accessible test applications can pose a variety of security risks. Since developers or administrators rarely consider th...
Base CWE-532Insertion of Sensitive Information into Log File
The product writes sensitive information to a log file.
Variant CWE-535Exposure of Information Through Shell Error Message
A command shell error message indicates that there exists an unhandled exception in the web application code. In many ca...
Variant CWE-536Servlet Runtime Error Message Containing Sensitive Information
A servlet error message indicates that there exists an unhandled exception in the web application code and may provide u...
Variant CWE-537Java Runtime Error Message Containing Sensitive Information
In many cases, an attacker can leverage the conditions that cause unhandled exception errors in order to gain unauthoriz...
Base CWE-538Insertion of Sensitive Information into Externally-Accessible File or Directory
The product places sensitive information into files or directories that are accessible to actors who are allowed to have...
Variant CWE-539Use of Persistent Cookies Containing Sensitive Information
The web application uses persistent cookies, but the cookies contain sensitive information.
Base CWE-540Inclusion of Sensitive Information in Source Code
Source code on a web server or repository often contains sensitive information and should generally not be accessible to...
Variant CWE-541Inclusion of Sensitive Information in an Include File
If an include file source is accessible, the file can contain usernames and passwords, as well as sensitive information ...
Variant CWE-543Use of Singleton Pattern Without Synchronization in a Multithreaded Context
The product uses the singleton pattern when creating a resource within a multithreaded environment.
Base CWE-544Missing Standardized Error Handling Mechanism
The product does not use a standardized method for handling errors throughout the code, which might introduce inconsiste...
Variant CWE-546Suspicious Comment
The code contains comments that suggest the presence of bugs, incomplete functionality, or weaknesses.
Base CWE-547Use of Hard-coded, Security-relevant Constants
The product uses hard-coded constants instead of symbolic names for security-critical values, which increases the likeli...
Variant CWE-548Exposure of Information Through Directory Listing
The product inappropriately exposes a directory listing with an index of all the resources located inside of the directo...
Base CWE-549Missing Password Field Masking
The product does not mask passwords during entry, increasing the potential for attackers to observe and capture password...
Variant CWE-550Server-generated Error Message Containing Sensitive Information
Certain conditions, such as network failure, will cause a server error message to be displayed.
Base CWE-551Incorrect Behavior Order: Authorization Before Parsing and Canonicalization
If a web server does not fully parse requested URLs before it examines them for authorization, it may be possible for an...
Base CWE-552Files or Directories Accessible to External Parties
The product makes files or directories accessible to unauthorized actors, even though they should not be.
Variant CWE-553Command Shell in Externally Accessible Directory
A possible shell file exists in /cgi-bin/ or other accessible directories. This is extremely dangerous and can be used b...
Variant CWE-554ASP.NET Misconfiguration: Not Using Input Validation Framework
The ASP.NET application does not use an input validation framework.
Variant CWE-555J2EE Misconfiguration: Plaintext Password in Configuration File
The J2EE application stores a plaintext password in a configuration file.
Variant CWE-556ASP.NET Misconfiguration: Use of Identity Impersonation
Configuring an ASP.NET application to run with impersonated credentials may give the application unnecessary privileges.
Variant CWE-558Use of getlogin() in Multithreaded Application
The product uses the getlogin() function in a multithreaded context, potentially causing it to return incorrect values.
Variant CWE-560Use of umask() with chmod-style Argument
The product calls umask() with an incorrect argument that is specified as if it is an argument to chmod().
Base CWE-561Dead Code
The product contains dead code, which can never be executed.
Base CWE-562Return of Stack Variable Address
A function returns the address of a stack variable, which will cause unintended program behavior, typically in the form ...
Base CWE-563Assignment to Variable without Use
The variable's value is assigned but never used, making it a dead store.
Variant CWE-564SQL Injection: Hibernate
Using Hibernate to execute a dynamic SQL statement built with user-controlled input can allow an attacker to modify the ...
Base CWE-565Reliance on Cookies without Validation and Integrity Checking
The product relies on the existence or values of cookies when performing security-critical operations, but it does not p...
Variant CWE-566Authorization Bypass Through User-Controlled SQL Primary Key
The product uses a database table that includes records that should not be accessible to an actor, but it executes a SQL...
Base CWE-567Unsynchronized Access to Shared Data in a Multithreaded Context
The product does not properly synchronize shared data, such as static variables across threads, which can lead to undefi...
Variant CWE-568finalize() Method Without super.finalize()
The product contains a finalize() method that does not call super.finalize().
Base CWE-570Expression is Always False
The product contains an expression that will always evaluate to false.
Base CWE-571Expression is Always True
The product contains an expression that will always evaluate to true.
Variant CWE-572Call to Thread run() instead of start()
The product calls a thread's run() method instead of calling start(), which causes the code to run in the thread of the ...
Class CWE-573Improper Following of Specification by Caller
The product does not follow or incorrectly follows the specifications as required by the implementation language, enviro...
Variant CWE-574EJB Bad Practices: Use of Synchronization Primitives
The product violates the Enterprise JavaBeans (EJB) specification by using thread synchronization primitives.
Variant CWE-575EJB Bad Practices: Use of AWT Swing
The product violates the Enterprise JavaBeans (EJB) specification by using AWT/Swing.
Variant CWE-576EJB Bad Practices: Use of Java I/O
The product violates the Enterprise JavaBeans (EJB) specification by using the java.io package.
Variant CWE-577EJB Bad Practices: Use of Sockets
The product violates the Enterprise JavaBeans (EJB) specification by using sockets.
Variant CWE-578EJB Bad Practices: Use of Class Loader
The product violates the Enterprise JavaBeans (EJB) specification by using the class loader.
Variant CWE-579J2EE Bad Practices: Non-serializable Object Stored in Session
The product stores a non-serializable object as an HttpSession attribute, which can hurt reliability.
Variant CWE-580clone() Method Without super.clone()
The product contains a clone() method that does not call super.clone() to obtain the new object.
Variant CWE-581Object Model Violation: Just One of Equals and Hashcode Defined
The product does not maintain equal hashcodes for equal objects.
Variant CWE-582Array Declared Public, Final, and Static
The product declares an array public, final, and static, which is not sufficient to prevent the array's contents from be...
Variant CWE-583finalize() Method Declared Public
The product violates secure coding principles for mobile code by declaring a finalize() method public.
Base CWE-584Return Inside Finally Block
The code has a return statement inside a finally block, which will cause any thrown exception in the try block to be dis...
Variant CWE-585Empty Synchronized Block
The product contains an empty synchronized block.
Base CWE-586Explicit Call to Finalize()
The product makes an explicit call to the finalize() method from outside the finalizer.
Variant CWE-587Assignment of a Fixed Address to a Pointer
The product sets a pointer to a specific address other than NULL or 0.
Variant CWE-588Attempt to Access Child of a Non-structure Pointer
Casting a non-structure type to a structure type and accessing a field can lead to memory access errors or data corrupti...
Variant CWE-589Call to Non-ubiquitous API
The product uses an API function that does not exist on all versions of the target platform. This could cause portabilit...
Variant CWE-590Free of Memory not on the Heap
The product calls free() on a pointer to memory that was not allocated using associated heap allocation functions such a...
Variant CWE-591Sensitive Data Storage in Improperly Locked Memory
The product stores sensitive data in memory that is not locked, or that has been incorrectly locked, which might cause t...
Variant CWE-593Authentication Bypass: OpenSSL CTX Object Modified after SSL Objects are Created
The product modifies the SSL context after connection creation has begun.
Variant CWE-594J2EE Framework: Saving Unserializable Objects to Disk
When the J2EE container attempts to write unserializable objects to disk there is no guarantee that the process will com...
Variant CWE-595Comparison of Object References Instead of Object Contents
The product compares object references instead of the contents of the objects themselves, preventing it from detecting e...
Variant CWE-597Use of Wrong Operator in String Comparison
The product uses the wrong operator when comparing a string, such as using "==" when the .equals() method should be used...
Variant CWE-598Use of HTTP Request With Sensitive Query String
The web application uses an HTTP method to process a request, but the request includes sensitive information in the quer...
Variant CWE-599Missing Validation of OpenSSL Certificate
The product uses OpenSSL and trusts or uses a certificate without using the SSL_get_verify_result() function to ensure t...
Variant CWE-600Uncaught Exception in Servlet
The Servlet does not catch all exceptions, which may reveal sensitive debugging information.
Base CWE-601URL Redirection to Untrusted Site ('Open Redirect')
The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a r...
Class CWE-602Client-Side Enforcement of Server-Side Security
The product is composed of a server that relies on the client to implement a mechanism that is intended to protect the s...
Base CWE-603Use of Client-Side Authentication
A client/server product performs authentication within client code but not in server code, allowing server-side authenti...
Variant CWE-605Multiple Binds to the Same Port
When multiple sockets are allowed to bind to the same port, other services on that port may be stolen or spoofed.
Base CWE-606Unchecked Input for Loop Condition
The product does not properly check inputs that are used for loop conditions, potentially leading to a denial of service...
Variant CWE-607Public Static Final Field References Mutable Object
A public or protected static final field references a mutable object, which allows the object to be changed by malicious...
Variant CWE-608Struts: Non-private Field in ActionForm Class
An ActionForm class contains a field that has not been declared private, which can be accessed without using a setter or...
Base CWE-609Double-Checked Locking
The product uses double-checked locking to access a resource without the overhead of explicit synchronization, but the l...
Class CWE-610Externally Controlled Reference to a Resource in Another Sphere
The product uses an externally controlled name or reference that resolves to a resource that is outside of the intended ...
Base CWE-611Improper Restriction of XML External Entity Reference
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the i...
Base CWE-612Improper Authorization of Index Containing Sensitive Information
The product creates a search index of private or sensitive documents, but it does not properly limit index access to act...
Base CWE-613Insufficient Session Expiration
According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credenti...
Variant CWE-614Sensitive Cookie in HTTPS Session Without 'Secure' Attribute
The Secure attribute for sensitive cookies in HTTPS sessions is not set.
Variant CWE-615Inclusion of Sensitive Information in Source Code Comments
While adding general comments is very useful, some programmers tend to leave important data, such as: filenames related ...
Variant CWE-616Incomplete Identification of Uploaded File Variables (PHP)
The PHP application uses an old method for processing uploaded files by referencing the four global variables that are s...
Base CWE-617Reachable Assertion
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an applicatio...
Variant CWE-618Exposed Unsafe ActiveX Method
An ActiveX control is intended for use in a web browser, but it exposes dangerous methods that perform actions that are ...
Base CWE-619Dangling Database Cursor ('Cursor Injection')
If a database cursor is not closed properly, then it could become accessible to other users while retaining the same pri...
Base CWE-620Unverified Password Change
When setting a new password for a user, the product does not require knowledge of the original password, or using anothe...
Variant CWE-621Variable Extraction Error
The product uses external input to determine the names of variables into which information is extracted, without verifyi...
Variant CWE-622Improper Validation of Function Hook Arguments
The product adds hooks to user-accessible API functions, but it does not properly validate the arguments. This could lea...
Variant CWE-623Unsafe ActiveX Control Marked Safe For Scripting
An ActiveX control is intended for restricted use, but it has been marked as safe-for-scripting.
Base CWE-624Executable Regular Expression Error
The product uses a regular expression that either (1) contains an executable component with user-controlled inputs, or (...
Base CWE-625Permissive Regular Expression
The product uses a regular expression that does not sufficiently restrict the set of allowed values.
Variant CWE-626Null Byte Interaction Error (Poison Null Byte)
The product does not properly handle null bytes or NUL characters when passing data between different representations or...
Variant CWE-627Dynamic Variable Evaluation
In a language where the user can influence the name of a variable at runtime, if the variable names are not controlled, ...
Base CWE-628Function Call with Incorrectly Specified Arguments
The product calls a function, procedure, or routine with arguments that are not correctly specified, leading to always-i...
Class CWE-636Not Failing Securely ('Failing Open')
When the product encounters an error condition or failure, its design requires it to fall back to a state that is less s...
Class CWE-637Unnecessary Complexity in Protection Mechanism (Not Using 'Economy of Mechanism')
The product uses a more complex mechanism than necessary, which could lead to resultant weaknesses when the mechanism is...
Class CWE-638Not Using Complete Mediation
The product does not perform access checks on a resource every time the resource is accessed by an entity, which can cre...
Base CWE-639Authorization Bypass Through User-Controlled Key
The system's authorization functionality does not prevent one user from gaining access to another user's data or record ...
Base CWE-640Weak Password Recovery Mechanism for Forgotten Password
The product contains a mechanism for users to recover or change their passwords without knowing the original password, b...
Base CWE-641Improper Restriction of Names for Files and Other Resources
The product constructs the name of a file or other resource using input from an upstream component, but it does not rest...
Class CWE-642External Control of Critical State Data
The product stores security-critical state information about its users, or the product itself, in a location that is acc...
Base CWE-643Improper Neutralization of Data within XPath Expressions ('XPath Injection')
The product uses external input to dynamically construct an XPath expression used to retrieve data from an XML database,...
Variant CWE-644Improper Neutralization of HTTP Headers for Scripting Syntax
The product does not neutralize or incorrectly neutralizes web scripting syntax in HTTP headers that can be used by web ...
Base CWE-645Overly Restrictive Account Lockout Mechanism
The product contains an account lockout protection mechanism, but the mechanism is too restrictive and can be triggered ...
Variant CWE-646Reliance on File Name or Extension of Externally-Supplied File
The product allows a file to be uploaded, but it relies on the file name or extension of the file to determine the appro...
Variant CWE-647Use of Non-Canonical URL Paths for Authorization Decisions
The product defines policy namespaces and makes authorization decisions based on the assumption that a URL is canonical....
Base CWE-648Incorrect Use of Privileged APIs
The product does not conform to the API requirements for a function call that requires extra privileges. This could allo...
Base CWE-649Reliance on Obfuscation or Encryption of Security-Relevant Inputs without Integrity Checking
The product uses obfuscation or encryption of inputs that should not be mutable by an external actor, but the product do...
Variant CWE-650Trusting HTTP Permission Methods on the Server Side
The server contains a protection mechanism that assumes that any URI that is accessed using HTTP GET will not cause a st...
Variant CWE-651Exposure of WSDL File Containing Sensitive Information
The Web services architecture may require exposing a Web Service Definition Language (WSDL) file that contains informati...
Base CWE-652Improper Neutralization of Data within XQuery Expressions ('XQuery Injection')
The product uses external input to dynamically construct an XQuery expression used to retrieve data from an XML database...
Class CWE-653Improper Isolation or Compartmentalization
The product does not properly compartmentalize or isolate functionality, processes, or resources that require different ...
Base CWE-654Reliance on a Single Factor in a Security Decision
A protection mechanism relies exclusively, or to a large extent, on the evaluation of a single condition or the integrit...
Class CWE-655Insufficient Psychological Acceptability
The product has a protection mechanism that is too difficult or inconvenient to use, encouraging non-malicious users to ...
Class CWE-656Reliance on Security Through Obscurity
The product uses a protection mechanism whose strength depends heavily on its obscurity, such that knowledge of its algo...
Class CWE-657Violation of Secure Design Principles
The product violates well-established principles for secure design.
Class CWE-662Improper Synchronization
The product utilizes multiple threads, processes, components, or systems to allow temporary access to a shared resource ...
Base CWE-663Use of a Non-reentrant Function in a Concurrent Context
The product calls a non-reentrant function in a concurrent context in which a competing code sequence (e.g. thread or si...
Pillar CWE-664Improper Control of a Resource Through its Lifetime
The product does not maintain or incorrectly maintains control over a resource throughout its lifetime of creation, use,...
Class CWE-665Improper Initialization
The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected s...
Class CWE-666Operation on Resource in Wrong Phase of Lifetime
The product performs an operation on a resource at the wrong phase of the resource's lifecycle, which can lead to unexpe...
Class CWE-667Improper Locking
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and ...
Class CWE-668Exposure of Resource to Wrong Sphere
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the...
Class CWE-669Incorrect Resource Transfer Between Spheres
The product does not properly transfer a resource/behavior to another sphere, or improperly imports a resource/behavior ...
Class CWE-670Always-Incorrect Control Flow Implementation
The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leadin...
Class CWE-671Lack of Administrator Control over Security
The product uses security features in a way that prevents the product's administrator from tailoring security settings t...
Class CWE-672Operation on a Resource after Expiration or Release
The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revok...
Class CWE-673External Influence of Sphere Definition
The product does not prevent the definition of control spheres from external actors.
Class CWE-674Uncontrolled Recursion
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as ...
Class CWE-675Multiple Operations on Resource in Single-Operation Context
The product performs the same operation on a resource two or more times, when the operation should only be applied once.
Base CWE-676Use of Potentially Dangerous Function
The product invokes a potentially dangerous function that could introduce a vulnerability if it is used incorrectly, but...
Compound CWE-680Integer Overflow to Buffer Overflow
The product performs a calculation to determine how much memory to allocate, but an integer overflow can occur that caus...
Base CWE-681Incorrect Conversion between Numeric Types
When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that ...
Pillar CWE-682Incorrect Calculation
The product performs a calculation that generates incorrect or unintended results that are later used in security-critic...
Variant CWE-683Function Call With Incorrect Order of Arguments
The product calls a function, procedure, or routine, but the caller specifies the arguments in an incorrect order, leadi...
Class CWE-684Incorrect Provision of Specified Functionality
The code does not function according to its published specifications, potentially leading to incorrect usage.
Variant CWE-685Function Call With Incorrect Number of Arguments
The product calls a function, procedure, or routine, but the caller specifies too many arguments, or too few arguments, ...
Variant CWE-686Function Call With Incorrect Argument Type
The product calls a function, procedure, or routine, but the caller specifies an argument that is the wrong data type, w...
Variant CWE-687Function Call With Incorrectly Specified Argument Value
The product calls a function, procedure, or routine, but the caller specifies an argument that contains the wrong value,...
Variant CWE-688Function Call With Incorrect Variable or Reference as Argument
The product calls a function, procedure, or routine, but the caller specifies the wrong variable or reference as one of ...
Compound CWE-689Permission Race Condition During Resource Copy
The product, while copying or cloning a resource, does not set the resource's permissions or access control until the co...
Compound CWE-690Unchecked Return Value to NULL Pointer Dereference
The product does not check for an error after calling a function that can return with a NULL pointer if the function fai...
Pillar CWE-691Insufficient Control Flow Management
The code does not sufficiently manage its control flow during execution, creating conditions in which the control flow c...
Compound CWE-692Incomplete Denylist to Cross-Site Scripting
The product uses a denylist-based protection mechanism to defend against XSS attacks, but the denylist is incomplete, al...
Pillar CWE-693Protection Mechanism Failure
The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed at...
Base CWE-694Use of Multiple Resources with Duplicate Identifier
The product uses multiple resources that can have the same identifier, in a context in which unique identifiers are requ...
Base CWE-695Use of Low-Level Functionality
The product uses low-level functionality that is explicitly prohibited by the framework or specification under which the...
Class CWE-696Incorrect Behavior Order
The product performs multiple related behaviors, but the behaviors are performed in the wrong order in ways that may pro...
Pillar CWE-697Incorrect Comparison
The product compares two entities in a security-relevant context, but the comparison is incorrect.
Base CWE-698Execution After Redirect (EAR)
The web application sends a redirect to another location, but instead of exiting, it executes additional code.
Pillar CWE-703Improper Check or Handling of Exceptional Conditions
The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of t...
Class CWE-704Incorrect Type Conversion or Cast
The product does not correctly convert an object, resource, or structure from one type to a different type.
Class CWE-705Incorrect Control Flow Scoping
The product does not properly return control flow to the proper location after it has completed a task or detected an un...
Class CWE-706Use of Incorrectly-Resolved Name or Reference
The product uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside...
Pillar CWE-707Improper Neutralization
The product does not ensure or incorrectly ensures that structured messages or data are well-formed and that certain sec...
Base CWE-708Incorrect Ownership Assignment
The product assigns an owner to a resource, but the owner is outside of the intended control sphere.
Pillar CWE-710Improper Adherence to Coding Standards
The product does not follow certain coding rules for development, which can lead to resultant weaknesses or increase the...
Class CWE-732Incorrect Permission Assignment for Critical Resource
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modi...
Base CWE-733Compiler Optimization Removal or Modification of Security-critical Code
The developer builds a security-critical protection mechanism into the software, but the compiler optimizes the program ...
Base CWE-749Exposed Dangerous Method or Function
The product provides an Applications Programming Interface (API) or similar interface for interaction with external acto...
Class CWE-754Improper Check for Unusual or Exceptional Conditions
The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur fr...
Class CWE-755Improper Handling of Exceptional Conditions
The product does not handle or incorrectly handles an exceptional condition.
Base CWE-756Missing Custom Error Page
The product does not return custom error pages to the user, possibly exposing sensitive information.
Base CWE-757Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')
A protocol or its implementation supports interaction between multiple actors and allows those actors to negotiate which...
Class CWE-758Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
The product uses an API function, data structure, or other entity in a way that relies on properties that are not always...
Variant CWE-759Use of a One-Way Hash without a Salt
The product uses a one-way cryptographic hash against an input that should not be reversible, such as a password, but th...
Variant CWE-760Use of a One-Way Hash with a Predictable Salt
The product uses a one-way cryptographic hash against an input that should not be reversible, such as a password, but th...
Variant CWE-761Free of Pointer not at Start of Buffer
The product calls free() on a pointer to a memory resource that was allocated on the heap, but the pointer is not at the...
Variant CWE-762Mismatched Memory Management Routines
The product attempts to return a memory resource to the system, but it calls a release function that is not compatible w...
Base CWE-763Release of Invalid Pointer or Reference
The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the app...
Base CWE-764Multiple Locks of a Critical Resource
The product locks a critical resource more times than intended, leading to an unexpected state in the system.
Base CWE-765Multiple Unlocks of a Critical Resource
The product unlocks a critical resource more times than intended, leading to an unexpected state in the system.
Base CWE-766Critical Data Element Declared Public
The product declares a critical variable, field, or member to be public when intended security policy requires it to be ...
Base CWE-767Access to Critical Private Variable via Public Method
The product defines a public method that reads or modifies a private variable.
Variant CWE-768Incorrect Short Circuit Evaluation
The product contains a conditional statement with multiple logical expressions in which one of the non-leading expressio...
Base CWE-770Allocation of Resources Without Limits or Throttling
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended rest...
Base CWE-771Missing Reference to Active Allocated Resource
The product does not properly maintain a reference to a resource that has been allocated, which prevents the resource fr...
Base CWE-772Missing Release of Resource after Effective Lifetime
The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer ne...
Variant CWE-773Missing Reference to Active File Descriptor or Handle
The product does not properly maintain references to a file descriptor or handle, which prevents that file descriptor/ha...
Variant CWE-774Allocation of File Descriptors or Handles Without Limits or Throttling
The product allocates file descriptors or handles on behalf of an actor without imposing any restrictions on how many de...
Variant CWE-775Missing Release of File Descriptor or Handle after Effective Lifetime
The product does not release a file descriptor or handle after its effective lifetime has ended, i.e., after the file de...
Base CWE-776Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
The product uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it do...
Variant CWE-777Regular Expression without Anchors
The product uses a regular expression to perform neutralization, but the regular expression is not anchored and may allo...
Base CWE-778Insufficient Logging
When a security-critical event occurs, the product either does not record the event or omits important details about the...
Base CWE-779Logging of Excessive Data
The product logs too much information, making log files hard to process and possibly hindering recovery efforts or foren...
Variant CWE-780Use of RSA Algorithm without OAEP
The product uses the RSA algorithm but does not incorporate Optimal Asymmetric Encryption Padding (OAEP), which might we...
Variant CWE-781Improper Address Validation in IOCTL with METHOD_NEITHER I/O Control Code
The product defines an IOCTL that uses METHOD_NEITHER for I/O, but it does not validate or incorrectly validates the add...
Variant CWE-782Exposed IOCTL with Insufficient Access Control
The product implements an IOCTL with functionality that should be restricted, but it does not properly enforce access co...
Base CWE-783Operator Precedence Logic Error
The product uses an expression in which operator precedence causes incorrect logic to be used.
Variant CWE-784Reliance on Cookies without Validation and Integrity Checking in a Security Decision
The product uses a protection mechanism that relies on the existence or values of a cookie, but it does not properly ens...
Variant CWE-785Use of Path Manipulation Function without Maximum-sized Buffer
The product invokes a function for normalizing paths or file names, but it provides an output buffer that is smaller tha...
Base CWE-786Access of Memory Location Before Start of Buffer
The product reads or writes to a buffer using an index or pointer that references a memory location prior to the beginni...
Base CWE-787Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
Base CWE-788Access of Memory Location After End of Buffer
The product reads or writes to a buffer using an index or pointer that references a memory location after the end of the...
Variant CWE-789Memory Allocation with Excessive Size Value
The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within exp...
Class CWE-790Improper Filtering of Special Elements
The product receives data from an upstream component, but does not filter or incorrectly filters special elements before...
Base CWE-791Incomplete Filtering of Special Elements
The product receives data from an upstream component, but does not completely filter special elements before sending it ...
Variant CWE-792Incomplete Filtering of One or More Instances of Special Elements
The product receives data from an upstream component, but does not completely filter one or more instances of special el...
Variant CWE-793Only Filtering One Instance of a Special Element
The product receives data from an upstream component, but only filters a single instance of a special element before sen...
Variant CWE-794Incomplete Filtering of Multiple Instances of Special Elements
The product receives data from an upstream component, but does not filter all instances of a special element before send...
Base CWE-795Only Filtering Special Elements at a Specified Location
The product receives data from an upstream component, but only accounts for special elements at a specified location, th...
Variant CWE-796Only Filtering Special Elements Relative to a Marker
The product receives data from an upstream component, but only accounts for special elements positioned relative to a ma...
Variant CWE-797Only Filtering Special Elements at an Absolute Position
The product receives data from an upstream component, but only accounts for special elements at an absolute position (e....
Base CWE-798Use of Hard-coded Credentials
The product contains hard-coded credentials, such as a password or cryptographic key.
Class CWE-799Improper Control of Interaction Frequency
The product does not properly limit the number or frequency of interactions that it has with an actor, such as the numbe...
Base CWE-804Guessable CAPTCHA
The product uses a CAPTCHA challenge, but the challenge can be guessed or automatically recognized by a non-human actor.
Base CWE-805Buffer Access with Incorrect Length Value
The product uses a sequential operation to read or write a buffer, but it uses an incorrect length value that causes it ...
Variant CWE-806Buffer Access Using Size of Source Buffer
The product uses the size of a source buffer when reading from or writing to a destination buffer, which may cause it to...
Base CWE-807Reliance on Untrusted Inputs in a Security Decision
The product uses a protection mechanism that relies on the existence or values of an input, but the input can be modifie...
Base CWE-820Missing Synchronization
The product utilizes a shared resource in a concurrent manner but does not attempt to synchronize access to the resource...
Base CWE-821Incorrect Synchronization
The product utilizes a shared resource in a concurrent manner, but it does not correctly synchronize access to the resou...
Base CWE-822Untrusted Pointer Dereference
The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting p...
Base CWE-823Use of Out-of-range Pointer Offset
The product performs pointer arithmetic on a valid pointer, but it uses an offset that can point outside of the intended...
Base CWE-824Access of Uninitialized Pointer
The product accesses or uses a pointer that has not been initialized.
Base CWE-825Expired Pointer Dereference
The product dereferences a pointer that contains a location for memory that was previously valid, but is no longer valid...
Base CWE-826Premature Release of Resource During Expected Lifetime
The product releases a resource that is still intended to be used by itself or another actor.
Variant CWE-827Improper Control of Document Type Definition
The product does not restrict a reference to a Document Type Definition (DTD) to the intended control sphere. This might...
Variant CWE-828Signal Handler with Functionality that is not Asynchronous-Safe
The product defines a signal handler that contains code sequences that are not asynchronous-safe, i.e., the functionalit...
Base CWE-829Inclusion of Functionality from Untrusted Control Sphere
The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of...
Variant CWE-830Inclusion of Web Functionality from an Untrusted Source
The product includes web functionality (such as a web widget) from another domain, which causes it to operate within the...
Variant CWE-831Signal Handler Function Associated with Multiple Signals
The product defines a function that is used as a handler for more than one signal.
Base CWE-832Unlock of a Resource that is not Locked
The product attempts to unlock a resource that is not locked.
Base CWE-833Deadlock
The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock...
Class CWE-834Excessive Iteration
The product performs an iteration or loop without sufficiently limiting the number of times that the loop is executed.
Base CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
Base CWE-836Use of Password Hash Instead of Password for Authentication
The product records password hashes in a data store, receives a hash of a password from a client, and compares the suppl...
Base CWE-837Improper Enforcement of a Single, Unique Action
The product requires that an actor should only be able to perform an action once, or to have only one unique action, but...
Base CWE-838Inappropriate Encoding for Output Context
The product uses or specifies an encoding when generating output to a downstream component, but the specified encoding i...
Base CWE-839Numeric Range Comparison Without Minimum Check
The product checks a value to ensure that it is less than or equal to a maximum, but it does not also verify that the va...
Class CWE-841Improper Enforcement of Behavioral Workflow
The product supports a session in which more than one behavior must be performed by an actor, but it does not properly e...
Base CWE-842Placement of User into Incorrect Group
The product or the administrator places a user into an incorrect group.
Base CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later acce...
Class CWE-862Missing Authorization
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Class CWE-863Incorrect Authorization
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it doe...
Base CWE-908Use of Uninitialized Resource
The product uses or accesses a resource that has not been initialized.
Class CWE-909Missing Initialization of Resource
The product does not initialize a critical resource.
Base CWE-910Use of Expired File Descriptor
The product uses or accesses a file descriptor after it has been closed.
Base CWE-911Improper Update of Reference Count
The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference cou...
Class CWE-912Hidden Functionality
The product contains functionality that is not documented, not part of the specification, and not accessible through an ...
Class CWE-913Improper Control of Dynamically-Managed Code Resources
The product does not properly restrict reading from or writing to dynamically-managed code resources such as variables, ...
Base CWE-914Improper Control of Dynamically-Identified Variables
The product does not properly restrict reading from or writing to dynamically-identified variables.
Base CWE-915Improperly Controlled Modification of Dynamically-Determined Object Attributes
The product receives input from an upstream component that specifies multiple attributes, properties, or fields that are...
Base CWE-916Use of Password Hash With Insufficient Computational Effort
The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computatio...
Base CWE-917Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
The product constructs all or part of an expression language (EL) statement in a framework such as a Java Server Page (J...
Base CWE-918Server-Side Request Forgery (SSRF)
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but ...
Base CWE-920Improper Restriction of Power Consumption
The product operates in an environment in which power is a limited resource that cannot be automatically replenished, bu...
Base CWE-921Storage of Sensitive Data in a Mechanism without Access Control
The product stores sensitive information in a file system or device that does not have built-in access control.
Class CWE-922Insecure Storage of Sensitive Information
The product stores sensitive information without properly limiting read or write access by unauthorized actors.
Class CWE-923Improper Restriction of Communication Channel to Intended Endpoints
The product establishes a communication channel to (or from) an endpoint for privileged or protected operations, but it ...
Base CWE-924Improper Enforcement of Message Integrity During Transmission in a Communication Channel
The product establishes a communication channel with an endpoint and receives a message from that endpoint, but it does ...
Variant CWE-925Improper Verification of Intent by Broadcast Receiver
The Android application uses a Broadcast Receiver that receives an Intent but does not properly verify that the Intent c...
Variant CWE-926Improper Export of Android Application Components
The Android application exports a component for use by other applications, but does not properly restrict which applicat...
Variant CWE-927Use of Implicit Intent for Sensitive Communication
The Android application uses an implicit intent for transmitting sensitive data to other applications.
Base CWE-939Improper Authorization in Handler for Custom URL Scheme
The product uses a handler for a custom URL scheme, but it does not properly restrict which actors can invoke the handle...
Base CWE-940Improper Verification of Source of a Communication Channel
The product establishes a communication channel to handle an incoming request that has been initiated by an actor, but i...
Base CWE-941Incorrectly Specified Destination in a Communication Channel
The product creates a communication channel to initiate an outgoing request to an actor, but it does not correctly speci...
Variant CWE-942Permissive Cross-domain Security Policy with Untrusted Domains
The product uses a web-client protection mechanism such as a Content Security Policy (CSP) or cross-do...
Class CWE-943Improper Neutralization of Special Elements in Data Query Logic
The product generates a query intended to access or manipulate data in a data store such as a database, but it does not ...
Variant CWE-1004Sensitive Cookie Without 'HttpOnly' Flag
The product uses a cookie to store sensitive information, but the cookie is not marked with the HttpOnly flag.
Base CWE-1007Insufficient Visual Distinction of Homoglyphs Presented to User
The product displays information or identifiers to a user, but the display mechanism does not make it easy for the user ...
Base CWE-1021Improper Restriction of Rendered UI Layers or Frames
The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another applica...
Variant CWE-1022Use of Web Link to Untrusted Target with window.opener Access
The web application produces links to untrusted external sites outside of its sphere of control, but it does not properl...
Class CWE-1023Incomplete Comparison with Missing Factors
The product performs a comparison between entities that must consider multiple factors or characteristics of each entity...
Base CWE-1024Comparison of Incompatible Types
The product performs a comparison between two entities, but the entities are of different, incompatible types that canno...
Base CWE-1025Comparison Using Wrong Factors
The code performs a comparison between two entities, but the comparison examines the wrong factors or characteristics of...
Base CWE-1037Processor Optimization Removal or Modification of Security-critical Code
The developer builds a security-critical protection mechanism into the software, but the processor optimizes the executi...
Class CWE-1038Insecure Automated Optimizations
The product uses a mechanism that automatically optimizes code, e.g. to improve a characteristic such as performance, bu...
Class CWE-1039Inadequate Detection or Handling of Adversarial Input Perturbations in Automated Recognition Mechanism
The product uses an automated mechanism such as machine learning to recognize complex data inputs (e.g. image or audio) ...
Base CWE-1041Use of Redundant Code
The product has multiple functions, methods, procedures, macros, etc. that contain the same code.
Variant CWE-1042Static Member Data Element outside of a Singleton Class Element
The code contains a member element that is declared as static (but not final), in which its parent class element ...
Base CWE-1043Data Element Aggregating an Excessively Large Number of Non-Primitive Elements
The product uses a data element that has an excessively large number of sub-elements with non-primitive data types ...
Base CWE-1044Architecture with Number of Horizontal Layers Outside of Expected Range
The product's architecture contains too many - or too few - horizontal layers.
Base CWE-1045Parent Class with a Virtual Destructor and a Child Class without a Virtual Destructor
A parent class has a virtual destructor method, but the parent has a child class that does not have a virtual destructor...
Base CWE-1046Creation of Immutable Text Using String Concatenation
The product creates an immutable text string using string concatenation operations.
Base CWE-1047Modules with Circular Dependencies
The product contains modules in which one module has references that cycle back to itself, i.e., there are circular depe...
Base CWE-1048Invokable Control Element with Large Number of Outward Calls
The code contains callable control elements that contain an excessively large number of references to other ...
Base CWE-1049Excessive Data Query Operations in a Large Data Table
The product performs a data query with a large number of joins and sub-queries on a large data table.
Base CWE-1050Excessive Platform Resource Consumption within a Loop
The product has a loop body or loop condition that contains a control element that directly or indirectly consumes ...
Base CWE-1051Initialization with Hard-Coded Network Resource Configuration Data
The product initializes data using hard-coded values that act as network resource identifiers.
Base CWE-1052Excessive Use of Hard-Coded Literals in Initialization
The product initializes a data element using a hard-coded literal that is not a simple integer or static constant e...
Base CWE-1053Missing Documentation for Design
The product does not have documentation that represents how it is designed.
Base CWE-1054Invocation of a Control Element at an Unnecessarily Deep Horizontal Layer
The code at one architectural layer invokes code that resides at a deeper layer than the adjacent layer, i.e., the ...
Base CWE-1055Multiple Inheritance from Concrete Classes
The product contains a class with inheritance from more than one concrete class.
Base CWE-1056Invokable Control Element with Variadic Parameters
A named-callable or method control element has a signature that supports a variable (variadic) number of parameters...
Base CWE-1057Data Access Operations Outside of Expected Data Manager Component
The product uses a dedicated, central data manager component as required by design, but it contains code that performs d...
Base CWE-1058Invokable Control Element in Multi-Thread Context with non-Final Static Storable or Member Element
The code contains a function or method that operates in a multi-threaded environment but owns an unsafe non-final ...
Class CWE-1059Insufficient Technical Documentation
The product does not contain sufficient technical or engineering documentation (whether on paper or in...
Base CWE-1060Excessive Number of Inefficient Server-Side Data Accesses
The product performs too many data queries without using efficient data processing functionality such as stored procedur...
Class CWE-1061Insufficient Encapsulation
The product does not sufficiently hide the internal representation and implementation details of data or methods, which ...
Base CWE-1062Parent Class with References to Child Class
The code has a parent class that contains references to a child class, its methods, or its members.
Base CWE-1063Creation of Class Instance within a Static Code Block
A static code block creates an instance of a class.
Base CWE-1064Invokable Control Element with Signature Containing an Excessive Number of Parameters
The product contains a function, subroutine, or method whose signature has an unnecessarily large number of paramet...
Base CWE-1065Runtime Resource Management Control Element in a Component Built to Run on Application Servers
The product uses deployed components from application servers, but it also uses low-level functions/methods for manageme...
Base CWE-1066Missing Serialization Control Element
The product contains a serializable data element that does not have an associated serialization method.
Base CWE-1067Excessive Execution of Sequential Searches of Data Resource
The product contains a data query against an SQL table or view that is configured in a way that does not utilize an...
Base CWE-1068Inconsistency Between Implementation and Documented Design
The implementation of the product is not consistent with the design as described within the relevant documentation.
Variant CWE-1069Empty Exception Block
An invokable code block contains an exception handling block that does not contain any code, i.e. is empty.
Base CWE-1070Serializable Data Element Containing non-Serializable Item Elements
The product contains a serializable, storable data element such as a field or member, but the data element contains...
Base CWE-1071Empty Code Block
The source code contains a block that does not contain any code, i.e., the block is empty.
Base CWE-1072Data Resource Access without Use of Connection Pooling
The product accesses a data resource through a database without using a connection pooling capability.
Base CWE-1073Non-SQL Invokable Control Element with Excessive Number of Data Resource Accesses
The product contains a client with a function or method that contains a large number of data accesses/queries that are s...
Base CWE-1074Class with Excessively Deep Inheritance
A class has an inheritance level that is too high, i.e., it has a large number of parent classes.
Base CWE-1075Unconditional Control Flow Transfer outside of Switch Block
The product performs unconditional control transfer (such as a "goto") in code outside of a branching structure suc...
Class CWE-1076Insufficient Adherence to Expected Conventions
The product's architecture, source code, design, documentation, or other artifact does not follow required conventi...
Variant CWE-1077Floating Point Comparison with Incorrect Operator
The code performs a comparison such as an equality test between two float (floating point) values, but i...
Class CWE-1078Inappropriate Source Code Style or Formatting
The source code does not follow desired style or formatting for indentation, white space, comments, etc.
Base CWE-1079Parent Class without Virtual Destructor Method
A parent class contains one or more child classes, but the parent class does not have a virtual destructor method.
Base CWE-1080Source Code File with Excessive Number of Lines of Code
A source code file has too many lines of code.
Base CWE-1082Class Instance Self Destruction Control Element
The code contains a class instance that calls the method or function to delete or destroy itself.
Base CWE-1083Data Access from Outside Expected Data Manager Component
The product is intended to manage data access through a particular data manager component such as a relational or non-SQ...
Base CWE-1084Invokable Control Element with Excessive File or Data Access Operations
A function or method contains too many operations that utilize a data manager or file resource.
Base CWE-1085Invokable Control Element with Excessive Volume of Commented-out Code
A function, method, procedure, etc. contains an excessive amount of code that has been commented out within its bod...
Base CWE-1086Class with Excessive Number of Child Classes
A class contains an unnecessarily large number of children.
Base CWE-1087Class with Virtual Method without a Virtual Destructor
A class contains a virtual method, but the method does not have an associated virtual destructor.
Base CWE-1088Synchronous Access of Remote Resource without Timeout
The code has a synchronous call to a remote resource, but there is no timeout for the call, or the timeout is set to inf...
Base CWE-1089Large Data Table with Excessive Number of Indices
The product uses a large data table that contains an excessively large number of indices.
Base CWE-1090Method Containing Access of a Member Element from Another Class
A method for a class performs an operation that directly accesses a member element from another class.
Base CWE-1091Use of Object without Invoking Destructor Method
The product contains a method that accesses an object but does not later invoke the element's associated finalize/d...
Base CWE-1092Use of Same Invokable Control Element in Multiple Architectural Layers
The product uses the same control element across multiple architectural layers.
Class CWE-1093Excessively Complex Data Representation
The product uses an unnecessarily complex internal representation for its data structures or interrelationships between ...
Base CWE-1094Excessive Index Range Scan for a Data Resource
The product contains an index range scan for a large data table, but the scan can cover a large number of rows.
Base CWE-1095Loop Condition Value Update within the Loop
The product uses a loop with a control flow condition based on a value that is updated within the body of the loop.
Variant CWE-1096Singleton Class Instance Creation without Proper Locking or Synchronization
The product implements a Singleton design pattern but does not use appropriate locking or other synchronization mechanis...
Base CWE-1097Persistent Storable Data Element without Associated Comparison Control Element
The product uses a storable data element that does not have all of the associated functions or methods that are nec...
Base CWE-1098Data Element containing Pointer Item without Proper Copy Control Element
The code contains a data element with a pointer that does not have an associated copy or constructor method.
Base CWE-1099Inconsistent Naming Conventions for Identifiers
The product's code, documentation, or other artifacts do not consistently use the same naming conventions for varia...
Base CWE-1100Insufficient Isolation of System-Dependent Functions
The product or code does not isolate system-dependent functionality into separate standalone modules.
Base CWE-1101Reliance on Runtime Component in Generated Code
The product uses automatically-generated code that cannot be executed without a specific runtime support component.
Base CWE-1102Reliance on Machine-Dependent Data Representation
The code uses a data representation that relies on low-level data representation or constructs that may vary across...
Base CWE-1103Use of Platform-Dependent Third Party Components
The product relies on third-party components that do not provide equivalent functionality across all desirable ...
Base CWE-1104Use of Unmaintained Third Party Components
The product relies on third-party components that are not actively supported or maintained by the original develope...
Base CWE-1105Insufficient Encapsulation of Machine-Dependent Functionality
The product or code uses machine-dependent functionality, but it does not sufficiently encapsulate or isolate this ...
Base CWE-1106Insufficient Use of Symbolic Constants
The source code uses literal constants that may need to change or evolve over time, instead of using symbolic const...
Base CWE-1107Insufficient Isolation of Symbolic Constant Definitions
The source code uses symbolic constants, but it does not sufficiently place the definitions of these constants into...
Base CWE-1108Excessive Reliance on Global Variables
The code is structured in a way that relies too much on using or setting global variables throughout various points...
Base CWE-1109Use of Same Variable for Multiple Purposes
The code contains a callable, block, or other code element in which the same variable is used to control more than ...
Base CWE-1110Incomplete Design Documentation
The product's design documentation does not adequately describe control flow, data flow, system initialization, rel...
Base CWE-1111Incomplete I/O Documentation
The product's documentation does not adequately define inputs, outputs, or system/software interfaces.
Base CWE-1112Incomplete Documentation of Program Execution
The document does not fully define all mechanisms that are used to control or influence how product-specific progra...
Base CWE-1113Inappropriate Comment Style
The source code uses comment styles or formats that are inconsistent or do not follow expected standards for the ...
Base CWE-1114Inappropriate Whitespace Style
The source code contains whitespace that is inconsistent across the code or does not follow expected standards for ...
Base CWE-1115Source Code Element without Standard Prologue
The source code contains elements such as source files that do not consistently provide a prologue or header that ...
Base CWE-1116Inaccurate Source Code Comments
The source code contains comments that do not accurately describe or explain aspects of the portion of the code wit...
Base CWE-1117Callable with Insufficient Behavioral Summary
The code contains a function or method whose signature and/or associated inline documentation does not sufficiently...
Base CWE-1118Insufficient Documentation of Error Handling Techniques
The documentation does not sufficiently describe the techniques that are used for error handling, exception process...
Base CWE-1119Excessive Use of Unconditional Branching
The code uses too many unconditional branches (such as "goto").
Class CWE-1120Excessive Code Complexity
The code is too complex, as calculated using a well-defined, quantitative measure.
Base CWE-1121Excessive McCabe Cyclomatic Complexity
The code contains McCabe cyclomatic complexity that exceeds a desirable maximum.
Base CWE-1122Excessive Halstead Complexity
The code is structured in a way that a Halstead complexity measure exceeds a desirable maximum.
Base CWE-1123Excessive Use of Self-Modifying Code
The product uses too much self-modifying code.
Base CWE-1124Excessively Deep Nesting
The code contains a callable or other code grouping in which the nesting / branching is too deep.
Base CWE-1125Excessive Attack Surface
The product has an attack surface whose quantitative measurement exceeds a desirable maximum.
Base CWE-1126Declaration of Variable with Unnecessarily Wide Scope
The source code declares a variable in one scope, but the variable is only used within a narrower scope.
Base CWE-1127Compilation with Insufficient Warnings or Errors
The code is compiled without sufficient warnings enabled, which may prevent the detection of subtle bugs or quality...
Class CWE-1164Irrelevant Code
The product contains code that is not essential for execution, i.e. makes no state changes and has no side effects...
Base CWE-1173Improper Use of Validation Framework
The product does not use, or incorrectly uses, an input validation framework that is provided by the source language or ...
Variant CWE-1174ASP.NET Misconfiguration: Improper Model Validation
The ASP.NET application does not use, or incorrectly uses, the model validation framework.
Class CWE-1176Inefficient CPU Computation
The product performs CPU computations using algorithms that are not as efficient as they could be for the ...
Class CWE-1177Use of Prohibited Code
The product uses a function, library, or third party component that has been explicitly prohibited, whether by the...
Base CWE-1188Initialization of a Resource with an Insecure Default
The product initializes or sets a resource with a default that is intended to be changed by the product's installer, adm...
Base CWE-1189Improper Isolation of Shared Resources on System-on-a-Chip (SoC)
The System-On-a-Chip (SoC) does not properly isolate shared resources between trusted and untrusted agents.
Base CWE-1190DMA Device Enabled Too Early in Boot Phase
The product enables a Direct Memory Access (DMA) capable device before the security configuration settings are establish...
Base CWE-1191On-Chip Debug and Test Interface With Improper Access Control
The chip does not implement or does not correctly perform access control to check whether users are authorized to access...
Base CWE-1192Improper Identifier for IP Block used in System-On-Chip (SOC)
The System-on-Chip (SoC) does not have unique, immutable identifiers for each of its components.
Base CWE-1193Power-On of Untrusted Execution Core Before Enabling Fabric Access Control
The product enables components that contain untrusted firmware before memory and fabric access controls have been enable...
Base CWE-1204Generation of Weak Initialization Vector (IV)
The product uses a cryptographic primitive that uses an Initialization Vector (IV), but the product does not generate...
Base CWE-1209Failure to Disable Reserved Bits
The reserved bits in a hardware design are not disabled prior to production. Typically, reserved bits are used for futur...
Base CWE-1220Insufficient Granularity of Access Control
The product implements access controls via a policy or other feature with the intention to disable or restrict accesses ...
Base CWE-1221Incorrect Register Defaults or Module Parameters
Hardware description language code incorrectly defines register defaults or hardware Intellectual Property (IP) paramete...
Variant CWE-1222Insufficient Granularity of Address Regions Protected by Register Locks
The product defines a large address region protected from modification by the same register lock control bit. This resul...
Base CWE-1223Race Condition for Write-Once Attributes
A write-once register in hardware design is programmable by an untrusted software component earlier than the trusted sof...
Base CWE-1224Improper Restriction of Write-Once Bit Fields
The hardware design control register "sticky bits" or write-once bit fields are improperly implemented, such that they c...
Class CWE-1229Creation of Emergent Resource
The product manages resources or behaves in a way that indirectly creates a new, distinct resource that can be used by a...
Base CWE-1230Exposure of Sensitive Information Through Metadata
The product prevents direct access to a resource containing sensitive information, but it does not sufficiently limit ac...
Base CWE-1231Improper Prevention of Lock Bit Modification
The product uses a trusted lock bit for restricting access to registers, address regions, or other resources, but the pr...
Base CWE-1232Improper Lock Behavior After Power State Transition
Register lock bit protection disables changes to system configuration once the bit is set. Some of the protected registe...
Base CWE-1233Security-Sensitive Hardware Controls with Missing Lock Bit Protection
The product uses a register lock bit protection mechanism, but it does not ensure that the lock bit prevents modificatio...
Base CWE-1234Hardware Internal or Debug Modes Allow Override of Locks
System configuration protection may be bypassed during debug mode.
Base CWE-1235Incorrect Use of Autoboxing and Unboxing for Performance Critical Operations
The code uses boxed primitives, which may introduce inefficiencies into performance-critical operations.
Base CWE-1236Improper Neutralization of Formula Elements in a CSV File
The product saves user-provided information into a Comma-Separated Value (CSV) file, but it does not neutralize or incor...
Variant CWE-1239Improper Zeroization of Hardware Register
The hardware product does not properly clear sensitive information from built-in registers when the user of the hardware...
Base CWE-1240Use of a Cryptographic Primitive with a Risky Implementation
To fulfill the need for a cryptographic primitive, the product implements a cryptographic algorithm using a non-standard...
Base CWE-1241Use of Predictable Algorithm in Random Number Generator
The device uses an algorithm that is predictable and generates a pseudo-random number.
Base CWE-1242Inclusion of Undocumented Features or Chicken Bits
The device includes chicken bits or undocumented features that can create entry points for unauthorized actors.
Base CWE-1243Sensitive Non-Volatile Information Not Protected During Debug
Access to security-sensitive information stored in fuses is not limited during debug.
Base CWE-1244Internal Asset Exposed to Unsafe Debug Access Level or State
The product uses physical debug or test interfaces with support for multiple access levels, but it assig...
Base CWE-1245Improper Finite State Machines (FSMs) in Hardware Logic
Faulty finite state machines (FSMs) in the hardware logic allow an attacker to put the system in an undefined state, to ...
Base CWE-1246Improper Write Handling in Limited-write Non-Volatile Memories
The product does not implement or incorrectly implements wear leveling operations in limited-write non-volatile memories...
Base CWE-1247Improper Protection Against Voltage and Clock Glitches
The device does not contain or contains incorrectly implemented circuitry or sensors to detect and mitigate voltage and ...
Base CWE-1248Semiconductor Defects in Hardware Logic with Security-Sensitive Implications
The security-sensitive hardware module contains semiconductor defects.
Base CWE-1249Application-Level Admin Tool with Inconsistent View of Underlying Operating System
The product provides an application for administrators to manage parts of the underlying operating system, but the appli...
Base CWE-1250Improper Preservation of Consistency Between Independent Representations of Shared State
The product has or supports multiple distributed components or sub-systems that are each required to keep their own loca...
Base CWE-1251Mirrored Regions with Different Values
The product's architecture mirrors regions without ensuring that their contents always stay in sync.
Base CWE-1252CPU Hardware Not Configured to Support Exclusivity of Write and Execute Operations
The CPU is not configured to provide hardware support for exclusivity of write and execute operations on memory. This al...
Base CWE-1253Incorrect Selection of Fuse Values
The logic level used to set a system to a secure state relies on a fuse being unblown.
Base CWE-1254Incorrect Comparison Logic Granularity
The product's comparison logic is performed over a series of steps rather than across the entire string in one operation...
Variant CWE-1255Comparison Logic is Vulnerable to Power Side-Channel Attacks
A device's real time power consumption may be monitored during security token evaluation and the information gleaned may...
Base CWE-1256Improper Restriction of Software Interfaces to Hardware Features
The product provides software-controllable device functionality for capabilities such as power and clock managemen...
Base CWE-1257Improper Access Control Applied to Mirrored or Aliased Memory Regions
Aliased or mirrored memory regions in hardware designs may have inconsistent read/write permissions enforced by the hard...
Base CWE-1258Exposure of Sensitive System Information Due to Uncleared Debug Information
The hardware does not fully clear security-sensitive values, such as keys and intermediate values in cryptographic opera...
Base CWE-1259Improper Restriction of Security Token Assignment
The System-On-A-Chip (SoC) implements a Security Token mechanism to differentiate what actions are allowed or disallowed...
Base CWE-1260Improper Handling of Overlap Between Protected Memory Ranges
The product allows address regions to overlap, which can result in the bypassing of intended memory protection.
Base CWE-1261Improper Handling of Single Event Upsets
The hardware logic does not effectively handle when single-event upsets (SEUs) occur.
Base CWE-1262Improper Access Control for Register Interface
The product uses memory-mapped I/O registers that act as an interface to hardware functionality from software, but there...
Class CWE-1263Improper Physical Access Control
The product is designed with access restricted to certain information, but it does not sufficiently protect against an u...
Base CWE-1264Hardware Logic with Insecure De-Synchronization between Control and Data Channels
The hardware logic for error handling and security checks can incorrectly forward data before the security check is comp...
Base CWE-1265Unintended Reentrant Invocation of Non-reentrant Code Via Nested Calls
The product invokes code that is believed to be reentrant, but the code performs a call that unintentionally produces a ...
Base CWE-1266Improper Scrubbing of Sensitive Data from Decommissioned Device
The product does not properly provide a capability for the product administrator to remove sensitive data at the time th...
Base CWE-1267Policy Uses Obsolete Encoding
The product uses an obsolete encoding mechanism to implement access controls.
Base CWE-1268Policy Privileges are not Assigned Consistently Between Control and Data Agents
The product's hardware-enforced access control for a particular resource improperly accounts for privilege discrepancies...
Base CWE-1269Product Released in Non-Release Configuration
The product released to market is released in pre-production or manufacturing configuration.
Base CWE-1270Generation of Incorrect Security Tokens
The product implements a Security Token mechanism to differentiate what actions are allowed or disallowed when a transac...
Base CWE-1271Uninitialized Value on Reset for Registers Holding Security Settings
Security-critical logic is not set to a known value on reset.
Base CWE-1272Sensitive Information Uncleared Before Debug/Power State Transition
The product performs a power or debug state transition, but it does not clear sensitive information that should no longe...
Base CWE-1273Device Unlock Credential Sharing
The credentials necessary for unlocking a device are shared across multiple parties and may expose sensitive information...
Base CWE-1274Improper Access Control for Volatile Memory Containing Boot Code
The product conducts a secure-boot process that transfers bootloader code from Non-Volatile Memory (NVM) into Volatile M...
Variant CWE-1275Sensitive Cookie with Improper SameSite Attribute
The SameSite attribute for sensitive cookies is not set, or an insecure value is used.
Base CWE-1276Hardware Child Block Incorrectly Connected to Parent System
Signals between a hardware IP and the parent system design are incorrectly connected causing security risks.
Base CWE-1277Firmware Not Updateable
The product does not provide its users with the ability to update or patch its firmware to address any vulnerabili...
Base CWE-1278Missing Protection Against Hardware Reverse Engineering Using Integrated Circuit (IC) Imaging Techniques
Information stored in hardware may be recovered by an attacker with the capability to capture and analyze images of the ...
Base CWE-1279Cryptographic Operations are run Before Supporting Units are Ready
Performing cryptographic operations without ensuring that the supporting inputs are ready to supply valid data may compr...
Base CWE-1280Access Control Check Implemented After Asset is Accessed
A product's hardware-based access control check occurs after the asset has been accessed.
Base CWE-1281Sequence of Processor Instructions Leads to Unexpected Behavior
Specific combinations of processor instructions lead to undesirable behavior such as locking the processor until a hard ...
Base CWE-1282Assumed-Immutable Data is Stored in Writable Memory
Immutable data, such as a first-stage bootloader, device identifiers, and "write-once" configuration settings are stored...
Base CWE-1283Mutable Attestation or Measurement Reporting Data
The register contents used for attestation or measurement reporting data to verify boot flow are modifiable by an advers...
Base CWE-1284Improper Validation of Specified Quantity in Input
The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or ...
Base CWE-1285Improper Validation of Specified Index, Position, or Offset in Input
The product receives input that is expected to specify an index, position, or offset into an indexable resource such as ...
Base CWE-1286Improper Validation of Syntactic Correctness of Input
The product receives input that is expected to be well-formed - i.e., to comply with a certain syntax - but it does not ...
Base CWE-1287Improper Validation of Specified Type of Input
The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates t...
Base CWE-1288Improper Validation of Consistency within Input
The product receives a complex input with multiple elements or fields that must be consistent with each other, but it do...
Base CWE-1289Improper Validation of Unsafe Equivalence in Input
The product receives an input value that is used as a resource identifier or other type of reference, but it does not va...
Base CWE-1290Incorrect Decoding of Security Identifiers
The product implements a decoding mechanism to decode certain bus-transaction signals to security identifiers. If the de...
Base CWE-1291Public Key Re-Use for Signing both Debug and Production Code
The same public key is used for signing both debug and production code.
Base CWE-1292Incorrect Conversion of Security Identifiers
The product implements a conversion mechanism to map certain bus-transaction signals to security identifiers. However, i...
Base CWE-1293Missing Source Correlation of Multiple Independent Data
The product relies on one source of data, preventing the ability to detect if an adversary has compromised a data source...
Class CWE-1294Insecure Security Identifier Mechanism
The System-on-Chip (SoC) implements a Security Identifier mechanism to differentiate what actions are allowed or disallo...
Base CWE-1295Debug Messages Revealing Unnecessary Information
The product fails to adequately prevent the revealing of unnecessary and potentially sensitive system information within...
Base CWE-1296Incorrect Chaining or Granularity of Debug Components
The product's debug components contain incorrect chaining or granularity of debug components.
Base CWE-1297Unprotected Confidential Information on Device is Accessible by OSAT Vendors
The product does not adequately protect confidential information on the device from being accessed by Outsourced Semicon...
Base CWE-1298Hardware Logic Contains Race Conditions
A race condition in the hardware logic results in undermining security guarantees of the system.
Base CWE-1299Missing Protection Mechanism for Alternate Hardware Interface
The lack of protections on alternate paths to access control-protected assets (such as unprotected shado...
Base CWE-1300Improper Protection of Physical Side Channels
The device does not contain sufficient protection mechanisms to prevent physical side channels from exposing sensitive...
Base CWE-1301Insufficient or Incomplete Data Removal within Hardware Component
The product's data removal process does not completely delete all data and potentially sensitive information within hard...
Base CWE-1302Missing Source Identifier in Entity Transactions on a System-On-Chip (SOC)
The product implements a security identifier mechanism to differentiate what actions are allowed or disallowed when a tr...
Base CWE-1303Non-Transparent Sharing of Microarchitectural Resources
Hardware structures shared across execution contexts (e.g., caches and branch predictors) can violate the expected archi...
Base CWE-1304Improperly Preserved Integrity of Hardware Configuration State During a Power Save/Restore Operation
The product performs a power save/restore operation, but it does not ensure that the integrity of ...
Base CWE-1310Missing Ability to Patch ROM Code
Missing an ability to patch ROM code may leave a System or System-on-Chip (SoC) in a vulnerable state.
Base CWE-1311Improper Translation of Security Attributes by Fabric Bridge
The bridge incorrectly translates security attributes from either trusted to untrusted or from untrusted to trusted when...
Base CWE-1312Missing Protection for Mirrored Regions in On-Chip Fabric Firewall
The firewall in an on-chip fabric protects the main addressed region, but it does not protect any mirrored memory or mem...
Base CWE-1313Hardware Allows Activation of Test or Debug Logic at Runtime
During runtime, the hardware allows for test or debug logic (feature) to be activated, which allows for changing the sta...
Base CWE-1314Missing Write Protection for Parametric Data Values
The device does not write-protect the parametric data values for sensors that scale the sensor value, allowing untrusted...
Base CWE-1315Improper Setting of Bus Controlling Capability in Fabric End-point
The bus controller enables bits in the fabric end-point to allow responder devices to control transactions on the fabric...
Base CWE-1316Fabric-Address Map Allows Programming of Unwarranted Overlaps of Protected and Unprotected Ranges
The address map of the on-chip fabric has protected and unprotected regions overlapping, allowing an attacker to bypass ...
Base CWE-1317Improper Access Control in Fabric Bridge
The product uses a fabric bridge for transactions between two Intellectual Property (IP) blocks, but the bridge does not...
Base CWE-1318Missing Support for Security Features in On-chip Fabrics or Buses
On-chip fabrics or buses either do not support or are not configured to support privilege separation or other security f...
Base CWE-1319Improper Protection against Electromagnetic Fault Injection (EM-FI)
The device is susceptible to electromagnetic fault injection attacks, causing device internal information to be compromi...
Base CWE-1320Improper Protection for Outbound Error Messages and Alert Signals
Untrusted agents can disable alerts about signal conditions exceeding limits or the response mechanism that handles such...
Variant CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
The product receives input from an upstream component that specifies attributes that are to be initialized or updated in...
Base CWE-1322Use of Blocking Code in Single-threaded, Non-blocking Context
The product uses a non-blocking model that relies on a single threaded process for features such as scalability, but ...
Base CWE-1323Improper Management of Sensitive Trace Data
Trace data collected from several sources on the System-on-Chip (SoC) is stored in unprotected locations...
Base CWE-1325Improperly Controlled Sequential Memory Allocation
The product manages a group of objects or resources and performs a separate memory allocation for each object, but it do...
Base CWE-1326Missing Immutable Root of Trust in Hardware
A missing immutable root of trust in the hardware results in the ability to bypass secure boot or execute untrusted or a...
Base CWE-1327Binding to an Unrestricted IP Address
The product assigns the address 0.0.0.0 for a database server, a cloud service/instance, or any computing resource that ...
Base CWE-1328Security Version Number Mutable to Older Versions
Security-version number in hardware is mutable, resulting in the ability to downgrade (roll-back) the boot firmware to v...
Base CWE-1329Reliance on Component That is Not Updateable
The product contains a component that cannot be updated or patched in order to remove vulnerabilities or significant bug...
Variant CWE-1330Remanent Data Readable after Memory Erase
Confidential information stored in memory circuits is readable or recoverable after being cleared or erased.
Base CWE-1331Improper Isolation of Shared Resources in Network On Chip (NoC)
The Network On Chip (NoC) does not isolate or incorrectly isolates its on-chip-fabric and internal resources such that t...
Base CWE-1332Improper Handling of Faults that Lead to Instruction Skips
The device is missing or incorrectly implements circuitry or sensors that detect and mitigate the skipping of security-c...
Base CWE-1333Inefficient Regular Expression Complexity
The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly expone...
Base CWE-1334Unauthorized Error Injection Can Degrade Hardware Redundancy
An unauthorized agent can inject errors into a redundant block to deprive the system of redundancy or put the system in ...
Base CWE-1335Incorrect Bitwise Shift of Integer
An integer value is specified to be shifted by a negative amount or an amount greater than or equal to the number of bit...
Base CWE-1336Improper Neutralization of Special Elements Used in a Template Engine
The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incor...
Base CWE-1338Improper Protections Against Hardware Overheating
A hardware device is missing or has inadequate protection features to prevent overheating.
Base CWE-1339Insufficient Precision or Accuracy of a Real Number
The product processes a real number with an implementation in which the number's representation does not preserve requir...
Base CWE-1341Multiple Releases of Same Resource or Handle
The product attempts to close or release a resource or handle more than once, without any successful open between the cl...
Base CWE-1342Information Exposure through Microarchitectural State after Transient Execution
The processor does not properly clear microarchitectural state after incorrect microcode assists or speculative executio...
Base CWE-1351Improper Handling of Hardware Behavior in Exceptionally Cold Environments
A hardware device, or the firmware running on it, is missing or has incorrect protection features to mai...
Class CWE-1357Reliance on Insufficiently Trustworthy Component
The product is built from multiple separate components, but it uses a component that is not sufficiently trusted to meet...
Class CWE-1384Improper Handling of Physical or Environmental Conditions
The product does not properly handle unexpected physical or environmental conditions that occur naturally or are artific...
Variant CWE-1385Missing Origin Validation in WebSockets
The product uses a WebSocket, but it does not properly verify that the source of data or communication is valid.
Base CWE-1386Insecure Operation on Windows Junction / Mount Point
The product opens a file or directory, but it does not properly prevent the name from being associated with a junction o...
Base CWE-1389Incorrect Parsing of Numbers with Different Radices
The product parses numeric input assuming base 10 (decimal) values, but it does not account for inputs that use a differ...
Class CWE-1390Weak Authentication
The product uses an authentication mechanism to restrict access to specific users or identities, but the mechanism does ...
Class CWE-1391Use of Weak Credentials
The product uses weak credentials (such as a default key or hard-coded password) that can be calculated, derived, reused...
Base CWE-1392Use of Default Credentials
The product uses default credentials (such as passwords or cryptographic keys) for potentially critical functionality.
Base CWE-1393Use of Default Password
The product uses default passwords for potentially critical functionality.
Base CWE-1394Use of Default Cryptographic Key
The product uses a default cryptographic key for potentially critical functionality.
Class CWE-1395Dependency on Vulnerable Third-Party Component
The product has a dependency on a third-party component that contains one or more known vulnerabilities.
Class CWE-1419Incorrect Initialization of Resource
The product attempts to initialize a resource but does not correctly do so, which might leave the resource in an unexpec...
Base CWE-1420Exposure of Sensitive Information during Transient Execution
A processor event or prediction may allow incorrect operations (or correct operations with incorrect data) to execute tr...
Base CWE-1421Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution
A processor event may allow transient operations to access architecturally restricted data (for example, in another a...
Base CWE-1422Exposure of Sensitive Information caused by Incorrect Data Forwarding during Transient Execution
A processor event or prediction may allow incorrect or stale data to be forwarded to transient operations, potential...
Base CWE-1423Exposure of Sensitive Information caused by Shared Microarchitectural Predictor State that Influences Transient Execution
Shared microarchitectural predictor state may allow code to influence transient execution across a hardware boundary...
Base CWE-1426Improper Validation of Generative AI Output
The product invokes a generative AI/ML component whose behaviors and outputs cannot be directly controlled, but th...
Base CWE-1427Improper Neutralization of Input Used for LLM Prompting
The product uses externally-provided data to build prompts provided to large language models (LLMs), but the way these p...
Base CWE-1428Reliance on HTTP instead of HTTPS
The product provides or relies on use of HTTP communications when HTTPS is available.
Base CWE-1429Missing Security-Relevant Feedback for Unexecuted Operations in Hardware Interface
The product has a hardware interface that silently discards operations in situations for which feedback would be secu...
Base CWE-1431Driving Intermediate Cryptographic State/Results to Hardware Module Outputs
The product uses a hardware module implementing a cryptographic algorithm that writes sensitive information about th...
Base CWE-1434Insecure Setting of Generative AI/ML Model Inference Parameters
The product has a component that relies on a generative AI/ML model configured with inference parameters that prod...