CVE-2021-23023: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

On version 7.2.1.x before 7.2.1.3 and 7.1.x before 7.1.9.9 Update 1, a DLL hijacking issue exists in cachecleaner.dll included in the BIG-IP Edge Client Windows Installer. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

• F5 BIG-IP Access Policy Manager: from 7.1.6, up to and including 7.1.9.9; from 7.2.1, before 7.2.1.3 (fixed in 7.2.1.3)

Published 2021-06-10. Last modified 2026-06-17.