CVE-2020-5928: F5 BIG-IP Application Security Manager

Low severity, CVSS 3.1. EPSS: 0.2% chance of exploitation in the next 30 days.

In versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, BIG-IP ASM Configuration utility CSRF protection token can be reused multiple times.

Affected products

• F5 BIG-IP Application Security Manager: from 11.5.2, before 11.6.5 (fixed in 11.6.5); from 12.1.0, before 12.1.5.2 (fixed in 12.1.5.2); from 13.1.0, before 13.1.3 (fixed in 13.1.3); from 14.1.0, before 14.1.2.7 (fixed in 14.1.2.7); from 15.0.0, before 15.0.1.4 (fixed in 15.0.1.4); from 15.1.0, before 15.1.0.5 (fixed in 15.1.0.5)

Published 2020-08-26. Last modified 2026-06-17.