CVE-2021-23002: F5 Access Policy Manager Clients

Medium severity, CVSS 4.5. EPSS: 0.3% chance of exploitation in the next 30 days.

When using BIG-IP APM 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, or all 12.1.x and 11.6.x versions or Edge Client versions 7.2.1.x before 7.2.1.1, 7.1.9.x before 7.1.9.8, or 7.1.8.x before 7.1.8.5, the session ID is visible in the arguments of the f5vpn.exe command when VPN is launched from the browser on a Windows system. Addressing this issue requires both the client and server fixes. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Affected products

• F5 Access Policy Manager Clients: from 7.1.5, before 7.1.8.5 (fixed in 7.1.8.5); from 7.1.9, before 7.1.9.8 (fixed in 7.1.9.8); from 7.2.1, before 7.2.1.1 (fixed in 7.2.1.1)
• F5 BIG-IP Access Policy Manager: from 11.6.1, up to and including 11.6.5; from 12.1.0, up to and including 12.1.5; from 13.1.0, before 13.1.3.6 (fixed in 13.1.3.6); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 15.1.0, before 15.1.2.1 (fixed in 15.1.2.1); from 16.0.0, before 16.0.1.1 (fixed in 16.0.1.1)

Published 2021-03-31. Last modified 2026-06-17.