CVE-2016-20034

HIGH

8.8

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/16/2026

Last Modified3/19/2026

Sourcenvd

Honeypot Sightings0

Affected Products

wowza:streaming_engine

Weaknesses (CWE)

CWE-352

References

http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.php(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/40133(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/wowza-streaming-engine-privilege-escalation-via-user-edit(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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