CVE-2017-6140: F5 BIG-IP Advanced Firewall Manager

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

On the BIG-IP 2000s, 2200s, 4000s, 4200v, i5600, i5800, i7600, i7800, i10600,i10800, and VIPRION 4450 blades, running version 11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.6.0, 11.6.1, 12.0.0, 12.1.0, 12.1.1 or 12.1.2 of BIG-IP LTM, AAM, AFM, Analytics, ASM, DNS, GTM or PEM, an undisclosed sequence of packets sent to Virtual Servers with client or server SSL profiles may cause disruption of data plane services.

Affected products

F5 BIG-IP Advanced Firewall Manager: version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; version 11.5.3 only; version 11.5.4 only; version 11.6.0 only; …
F5 BIG-IP Analytics: version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; version 11.5.3 only; version 11.5.4 only; version 11.6.0 only; …
F5 BIG-IP Application Acceleration Manager: version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; version 11.5.3 only; version 11.5.4 only; version 11.6.0 only; …
F5 BIG-IP Application Security Manager: version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; version 11.5.3 only; version 11.5.4 only; version 11.6.0 only; …
F5 BIG-IP DNS: version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; version 11.5.3 only; version 11.5.4 only; version 11.6.0 only; …
F5 BIG-IP Global Traffic Manager: version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; version 11.5.3 only; version 11.5.4 only; version 11.6.0 only; …
F5 BIG-IP Local Traffic Manager: version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; version 11.5.3 only; version 11.5.4 only; version 11.6.0 only; …
F5 BIG-IP Policy Enforcement Manager: version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; version 11.5.3 only; version 11.5.4 only; version 11.6.0 only; …

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