CVE-2016-20034
Wowza Streaming Engine 4.5.0 Privilege Escalation via user edit
- State
- Published
- Severity
- 8.7 High
- Published
- Mar 15, 2026
- Updated
- Mar 16, 2026
- Reserved
- Mar 15, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-352 Cross-Site Request Forgery (CSRF)
Affected Products
| Product | Versions |
|---|---|
Wowza Streaming EngineWowza Media Systems, LLC. |
|
References
- ExploitDB-40133exploit
- Vulnerability Advisoryvendor-advisory
- VulnCheck Advisory: Wowza Streaming Engine 4.5.0 Privilege Escalation via user editthird-party-advisory
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