Vulnerability · Published Mar 31, 2021 · Assigned by f5

CVE-2021-22992

Critical 9.8

In plain English

A critical-severity security flaw in BIG-IP Advanced WAF and BIG-IP ASM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 67.6% (higher than 99.3% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)67.6%top 0.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
n/a BIG-IP Advanced WAF and BIG-IP ASM 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, 11.6.x before 11.6.5.3

References