CVE-2019-6605: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

On BIG-IP 11.5.1-11.5.8, 11.6.1-11.6.3, and 12.0.x, an undisclosed sequence of packets received by an SSL virtual server and processed by an associated Client SSL or Server SSL profile may cause a denial of service.

Affected products

  • F5 BIG-IP Access Policy Manager: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)
  • F5 BIG-IP Advanced Firewall Manager: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)
  • F5 BIG-IP Analytics: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)
  • F5 BIG-IP Application Acceleration Manager: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)
  • F5 BIG-IP Application Security Manager: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)
  • F5 BIG-IP Edge Gateway: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)
  • F5 BIG-IP Fraud Protection Service: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)
  • F5 BIG-IP Global Traffic Manager: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)
  • F5 BIG-IP Link Controller: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)
  • F5 BIG-IP Local Traffic Manager: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)
  • F5 BIG-IP Policy Enforcement Manager: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)
  • F5 BIG-IP Protocol Security Manager: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)
  • F5 BIG-IP Webaccelerator: from 11.5.0, before 11.5.9 (fixed in 11.5.9); from 11.6.0, before 11.6.4 (fixed in 11.6.4); from 12.0.0, before 12.1.0 (fixed in 12.1.0)

Published 2019-03-28. Last modified 2026-06-17.