1. Home
  2. CVE Database
  3. CVE-2021-22992
CRITICAL · 9.8

CVE-2021-22992

On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, a malicious HTTP response to an Adv...

Vulnerability Description

On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, a malicious HTTP response to an Advanced WAF/BIG-IP ASM virtual server with Login Page configured in its policy may trigger a buffer overflow, resulting in a DoS attack. In certain situations, it may allow remote code execution (RCE), leading to complete system compromise. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

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
F5Big-Ip Access Policy Manager>= 11.6.1, < 11.6.5.3
F5Big-Ip Advanced Firewall Manager>= 11.6.1, < 11.6.5.3
F5Big-Ip Advanced Web Application Firewall>= 11.6.1, < 11.6.5.3
F5Big-Ip Analytics>= 11.6.1, < 11.6.5.3
F5Big-Ip Application Acceleration Manager>= 11.6.1, < 11.6.5.3
F5Big-Ip Application Security Manager>= 11.6.1, < 11.6.5.3
F5Big-Ip Ddos Hybrid Defender>= 11.6.1, < 11.6.5.3
F5Big-Ip Domain Name System>= 11.6.1, < 11.6.5.3
F5Big-Ip Fraud Protection Service>= 11.6.1, < 11.6.5.3
F5Big-Ip Global Traffic Manager>= 11.6.1, < 11.6.5.3
F5Big-Ip Link Controller>= 11.6.1, < 11.6.5.3
F5Big-Ip Local Traffic Manager>= 11.6.1, < 11.6.5.3
F5Big-Ip Policy Enforcement Manager>= 11.6.1, < 11.6.5.3
F5Ssl Orchestrator>= 11.6.1, < 11.6.5.3

Related Weaknesses (CWE)

CWE-120

References

FAQ

What is CVE-2021-22992?

CVE-2021-22992 is a vulnerability with a CVSS score of 9.8 (CRITICAL). On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, a malicious HTTP response to an Adv...

How severe is CVE-2021-22992?

CVE-2021-22992 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-2021-22992?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager.