CVE-2022-26370: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5, and 14.1.x versions prior to 14.1.4.6, when a Session Initiation Protocol (SIP) message routing framework (MRF) application layer gateway (ALG) profile is configured on a Message Routing virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Affected products

F5 BIG-IP Access Policy Manager: version 14.1.0 only; version 14.1.2 only; version 14.1.3 only; version 14.1.4 only; version 15.1.0 only; version 15.1.1 only; …
F5 BIG-IP Advanced Firewall Manager: version 14.1.0 only; version 14.1.2 only; version 14.1.3 only; version 14.1.4 only; version 15.1.0 only; version 15.1.1 only; …
F5 BIG-IP Analytics: version 14.1.0 only; version 14.1.2 only; version 14.1.3 only; version 14.1.4 only; version 15.1.0 only; version 15.1.1 only; …
F5 BIG-IP Application Acceleration Manager: version 14.1.0 only; version 14.1.2 only; version 14.1.3 only; version 14.1.4 only; version 15.1.0 only; version 15.1.1 only; …
F5 BIG-IP Application Security Manager: version 14.1.0 only; version 14.1.2 only; version 14.1.3 only; version 14.1.4 only; version 15.1.0 only; version 15.1.1 only; …
F5 BIG-IP Domain Name System: version 14.1.0 only; version 14.1.2 only; version 14.1.3 only; version 14.1.4 only; version 15.1.0 only; version 15.1.1 only; …
F5 BIG-IP Fraud Protection Service: version 14.1.0 only; version 14.1.2 only; version 14.1.3 only; version 14.1.4 only; version 15.1.0 only; version 15.1.1 only; …
F5 BIG-IP Global Traffic Manager: version 14.1.0 only; version 14.1.2 only; version 14.1.3 only; version 14.1.4 only; version 15.1.0 only; version 15.1.1 only; …
F5 BIG-IP Link Controller: version 14.1.0 only; version 14.1.2 only; version 14.1.3 only; version 14.1.4 only; version 15.1.0 only; version 15.1.1 only; …
F5 BIG-IP Local Traffic Manager: version 14.1.0 only; version 14.1.2 only; version 14.1.3 only; version 14.1.4 only; version 15.1.0 only; version 15.1.1 only; …
F5 BIG-IP Policy Enforcement Manager: version 14.1.0 only; version 14.1.2 only; version 14.1.3 only; version 14.1.4 only; version 15.1.0 only; version 15.1.1 only; …

Published 2022-05-05. Last modified 2026-06-17.