CVE-2019-6673: F5 BIG-IP Access Policy Manager

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

On versions 15.0.0-15.0.1 and 14.0.0-14.1.2, when the BIG-IP is configured in HTTP/2 Full Proxy mode, specifically crafted requests may cause a disruption of service provided by the Traffic Management Microkernel (TMM).

Affected products

• F5 BIG-IP Access Policy Manager: from 14.0.0, up to and including 14.1.2; from 15.0.0, up to and including 15.0.1
• F5 BIG-IP Advanced Firewall Manager: from 14.0.0, up to and including 14.1.2; from 15.0.0, up to and including 15.0.1
• F5 BIG-IP Application Acceleration Manager: from 14.0.0, up to and including 14.1.2; from 15.0.0, up to and including 15.0.1
• F5 BIG-IP Application Security Manager: from 14.0.0, up to and including 14.1.2; from 15.0.0, up to and including 15.0.1
• F5 BIG-IP Fraud Protection Service: from 14.0.0, up to and including 14.1.2; from 15.0.0, up to and including 15.0.1
• F5 BIG-IP Link Controller: from 14.0.0, up to and including 14.1.2; from 15.0.0, up to and including 15.0.1
• F5 BIG-IP Local Traffic Manager: from 14.0.0, up to and including 14.1.2; from 15.0.0, up to and including 15.0.1
• F5 BIG-IP Policy Enforcement Manager: from 14.0.0, up to and including 14.1.2; from 15.0.0, up to and including 15.0.1

Published 2019-11-27. Last modified 2026-06-17.