CVE-2020-5861: F5 BIG-IP Access Policy Manager

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

On BIG-IP 12.1.0-12.1.5, the TMM process may produce a core file in some cases when Ram Cache incorrectly optimizes stored data resulting in memory errors.

Affected products

• F5 BIG-IP Access Policy Manager: from 12.1.0, up to and including 12.1.5
• F5 BIG-IP Advanced Firewall Manager: from 12.1.0, up to and including 12.1.5
• F5 BIG-IP Analytics: from 12.1.0, up to and including 12.1.5
• F5 BIG-IP Application Acceleration Manager: from 12.1.0, up to and including 12.1.5
• F5 BIG-IP Application Security Manager: from 12.1.0, up to and including 12.1.5
• F5 BIG-IP Domain Name System: from 12.1.0, up to and including 12.1.5
• F5 BIG-IP Fraud Protection Service: from 12.1.0, up to and including 12.1.5
• F5 BIG-IP Global Traffic Manager: from 12.1.0, up to and including 12.1.5
• F5 BIG-IP Link Controller: from 12.1.0, up to and including 12.1.5
• F5 BIG-IP Local Traffic Manager: from 12.1.0, up to and including 12.1.5
• F5 BIG-IP Policy Enforcement Manager: from 12.1.0, up to and including 12.1.5

Published 2020-03-27. Last modified 2026-06-17.