CVE-2019-6598: F5 BIG-IP Access Policy Manager

Medium severity, CVSS 4.3. EPSS: 1% chance of exploitation in the next 30 days.

In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.0.7, 12.1.0-12.1.3.5, 11.6.1-11.6.3.2, or 11.5.1-11.5.8 or Enterprise Manager 3.1.1, malformed requests to the Traffic Management User Interface (TMUI), also referred to as the BIG-IP Configuration utility, may lead to disruption of TMUI services. This attack requires an authenticated user with any role (other than the No Access role). The No Access user role cannot login and does not have the access level to perform the attack.

Affected products

F5 BIG-IP Access Policy Manager: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Advanced Firewall Manager: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Analytics: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Application Acceleration Manager: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Application Security Manager: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Domain Name System: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Edge Gateway: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Fraud Protection Service: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Global Traffic Manager: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Link Controller: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Local Traffic Manager: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Policy Enforcement Manager: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Webaccelerator: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 Enterprise Manager: version 3.1.1 only

Published 2019-03-13. Last modified 2026-06-17.