CVE-2017-6129: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

In F5 BIG-IP APM software version 13.0.0 and 12.1.2, in some circumstances, APM tunneled VPN flows can cause a VPN/PPP connflow to be prematurely freed or cause TMM to stop responding with a "flow not in use" assertion. An attacker may be able to disrupt traffic or cause the BIG-IP system to fail over to another device in the device group.

Affected products

• F5 BIG-IP Access Policy Manager: version 12.1.2 only; version 13.0.0 only

Published 2017-12-21. Last modified 2026-06-17.