CVE-2020-5886: F5 BIG-IP Access Policy Manager

Critical severity, CVSS 9.1. EPSS: 0.8% chance of exploitation in the next 30 days.

On versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, and 12.1.0-12.1.5.1, BIG-IP systems setup for connection mirroring in a High Availability (HA) pair transfers sensitive cryptographic objects over an insecure communications channel. This is a control plane issue which is exposed only on the network used for connection mirroring.

Affected products

• F5 BIG-IP Access Policy Manager: from 12.1.0, up to and including 12.1.5.1; from 13.1.0, up to and including 13.1.3.3; from 14.1.0, up to and including 14.1.2.3; from 15.0.0, up to and including 15.1.0.1
• F5 BIG-IP Advanced Firewall Manager: from 12.1.0, up to and including 12.1.5.1; from 13.1.0, up to and including 13.1.3.3; from 14.1.0, up to and including 14.1.2.3; from 15.0.0, up to and including 15.1.0.1
• F5 BIG-IP Analytics: from 12.1.0, up to and including 12.1.5.1; from 13.1.0, up to and including 13.1.3.3; from 14.1.0, up to and including 14.1.2.3; from 15.0.0, up to and including 15.1.0.1
• F5 BIG-IP Application Acceleration Manager: from 12.1.0, up to and including 12.1.5.1; from 13.1.0, up to and including 13.1.3.3; from 14.1.0, up to and including 14.1.2.3; from 15.0.0, up to and including 15.1.0.1
• F5 BIG-IP Application Security Manager: from 12.1.0, up to and including 12.1.5.1; from 13.1.0, up to and including 13.1.3.3; from 14.1.0, up to and including 14.1.2.3; from 15.0.0, up to and including 15.1.0.1
• F5 BIG-IP Domain Name System: from 12.1.0, up to and including 12.1.5.1; from 13.1.0, up to and including 13.1.3.3; from 14.1.0, up to and including 14.1.2.3; from 15.0.0, up to and including 15.1.0.1
• F5 BIG-IP Fraud Protection Service: from 12.1.0, up to and including 12.1.5.1; from 13.1.0, up to and including 13.1.3.3; from 14.1.0, up to and including 14.1.2.3; from 15.0.0, up to and including 15.1.0.1
• F5 BIG-IP Global Traffic Manager: from 12.1.0, up to and including 12.1.5.1; from 13.1.0, up to and including 13.1.3.3; from 14.1.0, up to and including 14.1.2.3; from 15.0.0, up to and including 15.1.0.1
• F5 BIG-IP Link Controller: from 12.1.0, up to and including 12.1.5.1; from 13.1.0, up to and including 13.1.3.3; from 14.1.0, up to and including 14.1.2.3; from 15.0.0, up to and including 15.1.0.1
• F5 BIG-IP Local Traffic Manager: from 12.1.0, up to and including 12.1.5.1; from 13.1.0, up to and including 13.1.3.3; from 14.1.0, up to and including 14.1.2.3; from 15.0.0, up to and including 15.1.0.1
• F5 BIG-IP Policy Enforcement Manager: from 12.1.0, up to and including 12.1.5.1; from 13.1.0, up to and including 13.1.3.3; from 14.1.0, up to and including 14.1.2.3; from 15.0.0, up to and including 15.1.0.1

Published 2020-04-30. Last modified 2026-06-17.