Cross-Site Request Forgery in Wowza Streaming Engine by Wowza Media Systems
CVE-2016-20035

6.9MEDIUM

Key Information:

Vendor

Wowza Media Systems, Llc.

Status
Wowza Streaming Engine
Vendor
CVE Published:
15 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2016-20035?

Wowza Streaming Engine 4.5.0 is susceptible to a cross-site request forgery (CSRF) attack that enables malicious actors to issue unauthorized administrative commands. By luring authenticated administrators to a fraudulent webpage, attackers can cause the server to process crafted POST requests directed at the user edit endpoint, potentially allowing for the creation of new admin accounts with any credentials. This vulnerability underscores the importance of implementing proper anti-CSRF measures in web applications.

Affected Version(s)

Wowza Streaming Engine 4.5.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2016-20035 - Proof of Concept

References

https://www.exploit-db.com/exploits/40134
exploit
http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-534...
vendor-advisory
https://www.vulncheck.com/advisories/wowza-streaming-engi...
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
.