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HIGH

CVE-2020-9004

CVSS v3

8.8

HIGH

EPSS Score

3.5 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2020-04-14

Frequently asked questions

What is CVE-2020-9004?

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.

Is CVE-2020-9004 actively exploited?

Active exploitation of CVE-2020-9004 has not been confirmed. Its EPSS score was 3.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-9004?

CVE-2020-9004 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2020-9004 affecting your environment?

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