CVE-2016-20034

8.8 HIGH
Published: March 16, 2026 Modified: March 19, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.php
Source: disclosure@vulncheck.com
Exploit Third Party Advisory
https://www.exploit-db.com/exploits/40133
Source: disclosure@vulncheck.com
Exploit Third Party Advisory VDB Entry

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.0%
4th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

wowza