CVE-2018-15317: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.5, 12.1.0-12.1.4.1, and 11.2.1-11.6.3.2, an attacker sending specially crafted SSL records to a SSL Virtual Server will cause corruption in the SSL data structures leading to intermittent decrypt BAD_RECORD_MAC errors. Clients will be unable to access the application load balanced by a virtual server with an SSL profile until tmm is restarted.

Affected products

F5 BIG-IP Access Policy Manager: from 11.2.1, up to and including 11.5.6; from 11.6.0, 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 11.2.1, up to and including 11.5.6; from 11.6.0, 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 11.2.1, up to and including 11.5.6; from 11.6.0, 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 11.2.1, up to and including 11.5.6; from 11.6.0, 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 11.2.1, up to and including 11.5.6; from 11.6.0, 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 11.2.1, up to and including 11.5.6; from 11.6.0, 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 11.2.1, up to and including 11.5.6; from 11.6.0, 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 11.2.1, up to and including 11.5.6; from 11.6.0, 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 11.2.1, up to and including 11.5.6; from 11.6.0, 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 11.2.1, up to and including 11.5.6; from 11.6.0, 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 11.2.1, up to and including 11.5.6; from 11.6.0, 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 Protocol Security Module: from 11.2.1, up to and including 11.5.6; from 11.6.0, 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 11.2.1, up to and including 11.5.6; from 11.6.0, 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

Published 2018-10-31. Last modified 2026-06-17.