CVE-2022-23011: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

On certain hardware BIG-IP platforms, in version 15.1.x before 15.1.4 and 14.1.x before 14.1.3, virtual servers may stop responding while processing TCP traffic due to an issue in the SYN Cookie Protection feature. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

• F5 BIG-IP Access Policy Manager: from 14.1.0, before 14.1.3 (fixed in 14.1.3); from 15.1.0, before 15.1.4 (fixed in 15.1.4)
• F5 BIG-IP Advanced Firewall Manager: from 14.1.0, before 14.1.3 (fixed in 14.1.3); from 15.1.0, before 15.1.4 (fixed in 15.1.4)
• F5 BIG-IP Analytics: from 14.1.0, before 14.1.3 (fixed in 14.1.3); from 15.1.0, before 15.1.4 (fixed in 15.1.4)
• F5 BIG-IP Application Acceleration Manager: from 14.1.0, before 14.1.3 (fixed in 14.1.3); from 15.1.0, before 15.1.4 (fixed in 15.1.4)
• F5 BIG-IP Application Security Manager: from 14.1.0, before 14.1.3 (fixed in 14.1.3); from 15.1.0, before 15.1.4 (fixed in 15.1.4)
• F5 BIG-IP Domain Name System: from 14.1.0, before 14.1.3 (fixed in 14.1.3); from 15.1.0, before 15.1.4 (fixed in 15.1.4)
• F5 BIG-IP Fraud Protection Service: from 14.1.0, before 14.1.3 (fixed in 14.1.3); from 15.1.0, before 15.1.4 (fixed in 15.1.4)
• F5 BIG-IP Global Traffic Manager: from 14.1.0, before 14.1.3 (fixed in 14.1.3); from 15.1.0, before 15.1.4 (fixed in 15.1.4)
• F5 BIG-IP Link Controller: from 14.1.0, before 14.1.3 (fixed in 14.1.3); from 15.1.0, before 15.1.4 (fixed in 15.1.4)
• F5 BIG-IP Local Traffic Manager: from 14.1.0, before 14.1.3 (fixed in 14.1.3); from 15.1.0, before 15.1.4 (fixed in 15.1.4)
• F5 BIG-IP Policy Enforcement Manager: from 14.1.0, before 14.1.3 (fixed in 14.1.3); from 15.1.0, before 15.1.4 (fixed in 15.1.4)

Published 2022-01-25. Last modified 2026-06-17.