What’s Vulnerable › Vulnerabilities

CVE-2020-9004

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-14 · updated 2026-06-17
• Weakness: CWE-306

Description

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: through 4.8.0

References

• https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-9004-Authenticated%20Remote%20Authorization%20Bypass%20Leading%20to%20RCE-Wowza
• https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2020-9004.txt
• https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notes
• https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-9004-Authenticated%20Remote%20Authorization%20Bypass%20Leading%20to%20RCE-Wowza
• https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2020-9004.txt
• https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notes

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