CVE-2016-20034 — HIGH (8.8)

Vulnerability 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Wowza	Streaming Engine	4.5.0

Related Weaknesses (CWE)

CWE-352

References

http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5340.phpExploitThird Party Advisory
https://www.exploit-db.com/exploits/40133ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/wowza-streaming-engine-privilege-escalationThird Party Advisory

FAQ

What is CVE-2016-20034?

CVE-2016-20034 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 c...

How severe is CVE-2016-20034?

CVE-2016-20034 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2016-20034?

Check the references section above for vendor advisories and patch information. Affected products include: Wowza Streaming Engine.