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CVE-2016-20034 Details

Description

Wowza Streaming Engine 4.5.0 contains a privilege escalation vulnerability that allows authenticated read-only users to elevate privileges to administrator by manipulating POST parameters. Attackers can send POST requests to the user edit endpoint with accessLevel set to 'admin' and advUser parameters set to 'true' and 'on' to gain administrative access.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.exploit-db.com/exploits/40133	[email protected]	ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/wowza-streaming-engine-privilege-escalation-via-user-edit	[email protected]	Third Party Advisory
http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.php	[email protected]	ExploitThird Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-352	Cross-Site Request Forgery (CSRF)	[email protected]

Affected Products

Product	Versions
wowza streaming engine	4.5.0
CPE cpe:2.3:a:wowza:streaming_engine:4.5.0:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Mar 19, 2026	Initial Analysis	[email protected]
Mar 16, 2026	New CVE Received	[email protected]