CVE-2016-20034

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.

• CWE-352

• http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.phpExploit, Third Party Advisory
• https://www.exploit-db.com/exploits/40133Exploit, Third Party Advisory, VDB Entry
• https://www.vulncheck.com/advisories/wowza-streaming-engine-privilege-escalation-via-user-editThird Party Advisory

Published

Mar 16, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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