CVE-2021-22978: F5 BIG-IP Access Policy Manager

High severity, CVSS 8.3. EPSS: 0.8% chance of exploitation in the next 30 days.

On BIG-IP version 16.0.x before 16.0.1, 15.1.x before 15.1.1, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.5, and all 12.1.x and 11.6.x versions, undisclosed endpoints in iControl REST allow for a reflected XSS attack, which could lead to a complete compromise of BIG-IP if the victim user is granted the admin role. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Affected products

  • F5 BIG-IP Access Policy Manager: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP Advanced Firewall Manager: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP Advanced Web Application Firewall: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP Analytics: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP Application Acceleration Manager: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP Application Security Manager: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP Ddos Hybrid Defender: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP Domain Name System: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP Fraud Protection Service: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP Global Traffic Manager: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP Link Controller: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP Local Traffic Manager: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP Policy Enforcement Manager: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
  • F5 BIG-IP SSL Orchestrator: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.5 (fixed in 13.1.3.5); from 14.1.0, before 14.1.3.1 (fixed in 14.1.3.1); from 15.1.0, before 15.1.1 (fixed in 15.1.1); from 16.0.0, before 16.0.1 (fixed in 16.0.1)

Published 2021-02-12. Last modified 2026-06-17.