CVE-2017-6142: F5 BIG-IP Advanced Firewall Manager

Medium severity, CVSS 4.8. EPSS: 0.4% chance of exploitation in the next 30 days.

X509 certificate verification was not correctly implemented in the early access "user id" feature in the F5 BIG-IP Advanced Firewall Manager versions 13.0.0, 12.1.0-12.1.2, and 11.6.0-11.6.2, and thus did not properly validate the remote server's identity on certain versions of BIG-IP.

Affected products

• F5 BIG-IP Advanced Firewall Manager: from 11.6.0, up to and including 11.6.2; from 12.1.0, up to and including 12.1.2; version 13.0.0 only

Published 2018-01-19. Last modified 2026-06-17.