CVE-2022-23026: F5 BIG-IP Advanced Web Application Firewall

Medium severity, CVSS 4.3. EPSS: 0.7% chance of exploitation in the next 30 days.

On BIG-IP ASM & Advanced WAF version 16.1.x before 16.1.2, 15.1.x before 15.1.4.1, 14.1.x before 14.1.4.5, and all versions of 13.1.x and 12.1.x, an authenticated user with low privileges, such as a guest, can upload data using an undisclosed REST endpoint causing an increase in disk resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

• F5 BIG-IP Advanced Web Application Firewall: from 12.1.0, up to and including 12.1.6; 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; from 16.0.0, up to and including 16.1.1
• F5 BIG-IP Application Acceleration Manager: from 12.1.0, up to and including 12.1.6; 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; from 16.0.0, up to and including 16.1.1

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