CVE-2021-23000 - F5 Big-ip Advanced Firewall Manager, F5 Big-ip Analytics and F5 Big-ip Access Policy Manager
On BIG-IP versions 13.1.3.4-13.1.3.6 and 12.1.5.2, if the tmm.http.rfc.enforcement BigDB key is enabled in a BIG-IP system, or the Bad host header value is checked in the AFM HTTP security profile associated with a virtual server, in rare instances, a specific sequence of malicious requests may cause TMM to restart. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Affected software
F5 Big-ip Advanced Firewall Manager
F5 Big-ip Analytics
F5 Big-ip Access Policy Manager
F5 Ssl Orchestrator
F5 Big-ip Advanced Web Application Firewall
F5 Big-ip Application Security Manager
F5 Big-ip Ddos Hybrid Defender
F5 Big-ip Application Acceleration Manager
F5 Big-ip Local Traffic Manager
F5 Big-ip Global Traffic Manager
F5 Big-ip Policy Enforcement Manager
F5 Big-ip Fraud Protection Service
F5 Big-ip Domain Name System
F5 Big-ip Link Controller