CVE-2021-23001: F5 BIG-IP Access Policy Manager

Medium severity, CVSS 4.3. EPSS: 0.6% chance of exploitation in the next 30 days.

On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, the upload functionality in BIG-IP Advanced WAF and BIG-IP ASM allows an authenticated user to upload files to the BIG-IP system using a call to an undisclosed iControl REST endpoint. 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, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 BIG-IP Advanced Firewall Manager: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 BIG-IP Advanced Web Application Firewall: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 BIG-IP Analytics: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 BIG-IP Application Acceleration Manager: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 BIG-IP Application Security Manager: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 BIG-IP Ddos Hybrid Defender: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 BIG-IP Domain Name System: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 BIG-IP Fraud Protection Service: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 BIG-IP Global Traffic Manager: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 BIG-IP Link Controller: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 BIG-IP Local Traffic Manager: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 BIG-IP Policy Enforcement Manager: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)
  • F5 SSL Orchestrator: from 11.6.1, before 11.6.5.3 (fixed in 11.6.5.3); from 12.1.0, before 12.1.5.3 (fixed in 12.1.5.3); from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)

Published 2021-03-31. Last modified 2026-06-17.