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.

INFO

Published Date :

2026-03-15T18:34:22.034Z

Last Modified :

2026-03-16T14:30:30.300Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2016-20034 vulnerability.

Vendors Products
Wowza
  • Streaming Engine
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2016-20034.

URL Resource
http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.php cve-icon cve-icon
https://www.exploit-db.com/exploits/40133 cve-icon cve-icon
https://www.vulncheck.com/advisories/wowza-streaming-engine-privilege-escalation-via-user-edit cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact