CVE-2020-5854: F5 BIG-IP Access Policy Manager

Medium severity, CVSS 5.9. EPSS: 0.8% chance of exploitation in the next 30 days.

On BIG-IP 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.6.0-11.6.5.1, the tmm crashes under certain circumstances when using the connector profile if a specific sequence of connections are made.

Affected products

  • F5 BIG-IP Access Policy Manager: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IP Advanced Firewall Manager: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IP Analytics: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IP Application Acceleration Manager: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IP Application Security Manager: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IP Domain Name System: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IP Edge Gateway: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IP Fraud Protection Service: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IP Global Traffic Manager: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IP Link Controller: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IP Local Traffic Manager: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IP Policy Enforcement Manager: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IP Webaccelerator: from 11.5.2, up to and including 11.6.5; from 12.1.0, before 12.1.5.1 (fixed in 12.1.5.1); from 13.1.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1); from 15.0.0, before 15.1.0 (fixed in 15.1.0)
  • F5 BIG-IQ Centralized Management: from 5.1.0, up to and including 5.4.0; from 6.0.0, up to and including 6.1.0; version 7.0.0 only
  • F5 Enterprise Manager: version 3.1.1 only
  • F5 Iworkflow: version 2.3.0 only
  • F5 Traffix Signaling Delivery Controller: from 5.0.0, up to and including 5.1.0

Published 2020-02-06. Last modified 2026-06-17.