CVE-2020-5939: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

In versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.3, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, and 13.1.0-13.1.3.4, BIG-IP Virtual Edition (VE) systems on VMware, with an Intel-based 85299 Network Interface Controller (NIC) card and Single Root I/O Virtualization (SR-IOV) enabled on vSphere, may fail and leave the Traffic Management Microkernel (TMM) in a state where it cannot transmit traffic.

Affected products

F5 BIG-IP Access Policy Manager: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP Advanced Firewall Manager: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP Advanced Web Application Firewall: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); after 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP Analytics: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP Application Acceleration Manager: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP Application Security Manager: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP Ddos Hybrid Defender: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP Domain Name System: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP Fraud Protection Service: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP Global Traffic Manager: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP Link Controller: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP Local Traffic Manager: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP Policy Enforcement Manager: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)
F5 BIG-IP SSL Orchestrator: from 13.1.0, up to and including 13.1.3; from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.1.0, before 15.1.0.4 (fixed in 15.1.0.4); from 16.0.0, before 16.0.1 (fixed in 16.0.1)

Published 2020-11-05. Last modified 2026-06-17.