CVE-2020-9004

Name: CVE-2020-9004
Creator: NVD / NIST
Published: 2020-04-14T15:15:13.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.53%

Last modified Jun 17, 2026

CVE-2020-9004 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 3.53% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.53%

87.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Wowza	Streaming Engine	<= 4.8.0

References

https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-9004-Authenticated%20Remote%20Authorization%20Bypass%20Leading%20to%20RCE-WowzaExploit, Third Party Advisory
https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2020-9004.txtThird Party Advisory
https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notesRelease Notes, Vendor Advisory
https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-9004-Authenticated%20Remote%20Authorization%20Bypass%20Leading%20to%20RCE-WowzaExploit, Third Party Advisory
https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2020-9004.txtThird Party Advisory
https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notesRelease Notes, Vendor Advisory

Timeline

Published: Apr 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9004?

How severe is CVE-2020-9004?

CVE-2020-9004 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.53% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9004?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9004?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST