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NVD Vulnerability Details :
CVE-2016-20034
Analyzed
More InfoOfficial Page
Source-disclosure@vulncheck.com
View Known Exploited Vulnerability (KEV) details
Published At-16 Mar, 2026 | 14:17
Updated At-19 Mar, 2026 | 14:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.7HIGH
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary3.18.0HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Type: Secondary
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 8.0
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CPE Matches
wowza
wowza
>>streaming_engine>>4.5.0
cpe:2.3:a:wowza:streaming_engine:4.5.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-352Primarydisclosure@vulncheck.com
CWE ID: CWE-352
Type: Primary
Source: disclosure@vulncheck.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.phpdisclosure@vulncheck.com
Exploit
Third Party Advisory
https://www.exploit-db.com/exploits/40133disclosure@vulncheck.com
Exploit
Third Party Advisory
VDB Entry
https://www.vulncheck.com/advisories/wowza-streaming-engine-privilege-escalation-via-user-editdisclosure@vulncheck.com
Third Party Advisory
Hyperlink: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.php
Source: disclosure@vulncheck.com
Resource:
Exploit
Third Party Advisory
Hyperlink: https://www.exploit-db.com/exploits/40133
Source: disclosure@vulncheck.com
Resource:
Exploit
Third Party Advisory
VDB Entry
Hyperlink: https://www.vulncheck.com/advisories/wowza-streaming-engine-privilege-escalation-via-user-edit
Source: disclosure@vulncheck.com
Resource:
Third Party Advisory
Change History
0Changes found
Details not found