High severity8.8NVD Advisory· Published Mar 16, 2026· Updated Jun 17, 2026
CVE-2016-20034
CVE-2016-20034
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.
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Affected products
34.5.0+ 1 more
- (no CPE)range: 4.5.0
- cpe:2.3:a:wowza:streaming_engine:4.5.0:*:*:*:*:*:*:*
- Wowza Media Systems, LLC./Wowza Streaming Enginev5Range: 4.5.0
Patches
Vulnerability mechanics
References
3- www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.phpnvdExploitThird Party Advisory
- www.exploit-db.com/exploits/40133nvdExploitThird Party AdvisoryVDB Entry
- www.vulncheck.com/advisories/wowza-streaming-engine-privilege-escalation-via-user-editnvdThird Party Advisory
News mentions
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