CVE-2020-5879: F5 BIG-IP Application Security Manager

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

On BIG-IP ASM 11.6.1-11.6.5.1, under certain configurations, the BIG-IP system sends data plane traffic to back-end servers unencrypted, even when a Server SSL profile is applied.

Affected products

• F5 BIG-IP Application Security Manager: from 11.6.1, up to and including 11.6.5.1

Published 2020-04-30. Last modified 2026-06-17.