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CRITICAL · 9.8

CVE-2021-26634

SQL injection and file upload attacks are possible due to insufficient validation of input values in some parameters and variables of files compromising Maxboard, which may lead to arbitrary code exec...

Vulnerability Description

SQL injection and file upload attacks are possible due to insufficient validation of input values in some parameters and variables of files compromising Maxboard, which may lead to arbitrary code execution or privilege escalation. Attackers can use these vulnerabilities to perform attacks such as stealing server management rights using a web shell.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MaxbMaxboard< 1.9.6
LinuxLinux Kernel-

Related Weaknesses (CWE)

CWE-434CWE-89CWE-288

References

FAQ

What is CVE-2021-26634?

CVE-2021-26634 is a vulnerability with a CVSS score of 9.8 (CRITICAL). SQL injection and file upload attacks are possible due to insufficient validation of input values in some parameters and variables of files compromising Maxboard, which may lead to arbitrary code exec...

How severe is CVE-2021-26634?

CVE-2021-26634 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-26634?

Check the references section above for vendor advisories and patch information. Affected products include: Maxb Maxboard, Linux Linux Kernel.