CVE-2020-5940: F5 BIG-IP Access Policy Manager

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

In versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.3, a stored cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Traffic Management User Interface (TMUI), also known as the BIG-IP Configuration utility.

Affected products

F5 BIG-IP Access Policy Manager: from 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 Edge Gateway: from 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 Webaccelerator: from 14.1.0, before 14.1.2.4 (fixed in 14.1.2.4); 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 2020-11-05. Last modified 2026-06-17.