CVE-2016-20034
highpriority · track · 32EPSS 0.002 · 11 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.3–8.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.phpcnnvd
- https://www.exploit-db.com/exploits/40133cnnvd
- https://www.vulncheck.com/advisories/wowza-streaming-engine-privilege-escalation-via-user-editcnnvd
- http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.phpenisa_euvd
- https://www.exploit-db.com/exploits/40133enisa_euvd
- https://www.vulncheck.com/advisories/wowza-streaming-engine-privilege-escalation-via-user-editenisa_euvd
- http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.phpExploitThird Party Advisorynvd
- https://www.exploit-db.com/exploits/40133ExploitThird Party AdvisoryVDB Entrynvd
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