CVE-2019-6661: F5 BIG-IP Access Policy Manager

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

When the BIG-IP APM 14.1.0-14.1.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, 12.1.0-12.1.4.1, or 11.5.1-11.6.5 system processes certain requests, the APD/APMD daemon may consume excessive resources.

Affected products

• F5 BIG-IP Access Policy Manager: from 11.6.2, before 11.6.5.1 (fixed in 11.6.5.1); from 12.1.0, before 12.1.5 (fixed in 12.1.5); from 13.0.0, before 13.1.3.2 (fixed in 13.1.3.2); from 14.0.0, before 14.0.1.1 (fixed in 14.0.1.1); from 14.1.0, before 14.1.2.1 (fixed in 14.1.2.1)

Published 2019-11-15. Last modified 2026-06-17.