CVE-2016-20034

Wowza Streaming Engine 4.5.0 Privilege Escalation via user edit

HIGH
8
CVSS Score
Published: March 15, 2026 at 06:34 PM UTC
Updated: June 17, 2026 at 12:43 AM UTC
2 products affected across 2 vendorsStreaming EngineWowza Streaming Engine

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Severity
HIGH8
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

ExploitThird Party AdvisoryVDB Entry
Source: cverecord
https://www.exploit-db.com/exploits/40133
Vendor AdvisoryExploitThird Party Advisory
Source: cverecord
http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.php

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-352

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