CVE-2020-5863: F5 Nginx Controller

High severity, CVSS 8.6. EPSS: 1.2% chance of exploitation in the next 30 days.

In NGINX Controller versions prior to 3.2.0, an unauthenticated attacker with network access to the Controller API can create unprivileged user accounts. The user which is created is only able to upload a new license to the system but cannot view or modify any other components of the system.

Affected products

• F5 Nginx Controller: from 2.0.0, up to and including 2.9.0; from 3.0.0, before 3.2.0 (fixed in 3.2.0); version 1.0.1 only
• Netapp Cloud Backup: affected versions not specified

Published 2020-03-27. Last modified 2026-06-17.