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CVE-2016-20034

26
FAUCET Score

CVE-2016-20034 is a privilege escalation vulnerability affecting Wowza Streaming Engine 4.5.0, allowing authenticated read-only users to gain administrator privileges. Rated High (CVSS 8.0), this low complexity attack allows an authenticated read-only user to elevate privileges by manipulating POST parameters on the user edit endpoint. Successful exploitation grants full administrative access, leading to complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, no public exploit code available, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.5.0CPE matchmatch criteria
cpe:2.3:a:wowza:streaming_engine:4.5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.7HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
11.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 7th percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exploit-db.com / exploits/40133
ExploitThird Party AdvisoryVDB Entry
vulncheck.com / advisories/wowza-streaming-engine-privilege-escalation-via-user-edit
Third Party Advisory
zeroscience.mk / en/vulnerabilities/ZSL-2016-5340.php
ExploitThird Party Advisory