CVE-2022-23028: F5 BIG-IP Advanced Firewall Manager

Medium severity, CVSS 5.3. EPSS: 0.9% chance of exploitation in the next 30 days.

On BIG-IP AFM version 16.x before 16.1.0, 15.1.x before 15.1.5, 14.1.x before 14.1.4.5, and all versions of 13.1.x, when global AFM SYN cookie protection (TCP Half Open flood vector) is activated in the AFM Device Dos or DOS profile, certain types of TCP connections will fail. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

• F5 BIG-IP Advanced Firewall Manager: from 13.1.0, up to and including 13.1.4; from 14.1.0, up to and including 14.1.4; from 15.1.0, up to and including 15.1.4

Published 2022-01-25. Last modified 2026-06-17.