CVE-2021-23036: F5 BIG-IP Advanced Web Application Firewall

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

On version 16.0.x before 16.0.1.2, when a BIG-IP ASM and DataSafe profile are configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

• F5 BIG-IP Advanced Web Application Firewall: from 16.0.0, up to and including 16.0.1
• F5 BIG-IP Application Security Manager: from 16.0.0, up to and including 16.0.1
• F5 BIG-IP Datasafe: from 16.0.0, up to and including 16.0.1

Published 2021-09-14. Last modified 2026-06-17.