CVE-2020-9004: Wowza Streaming Engine

High severity, CVSS 8.8. EPSS: 3.5% chance of exploitation in the next 30 days.

A remote authenticated authorization-bypass vulnerability in Wowza Streaming Engine 4.8.0 and earlier allows any read-only user to issue requests to the administration panel in order to change functionality. For example, a read-only user may activate the Java JMX port in unauthenticated mode and execute OS commands under root privileges. This issue was resolved in Wowza Streaming Engine 4.8.5.

Affected products

• Wowza Streaming Engine: up to and including 4.8.0

Published 2020-04-14. Last modified 2026-06-17.