CVE-2016-20034

HighCVSS 8.0/10Last modified Jun 17, 2026

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 3.1 8.0/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 16, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2016-20034: High severity, CVSS 8.0 | Vulnix