8.8high
CVE-2016-20034
Wowza Streaming Engine 4.5.0 Privilege Escalation via user edit
Published 7 mo ago · modified 4 mo ago · JSON
CVSS
8.8
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.2%
percentile 12%
Public exploits
0
none known
Summary
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 SSVC assessment
- Exploitation
- Proof of concept public
- Automatable
- no
- Technical impact
- total
- Assessed
- 7 mo ago
Exploit prediction (EPSS)
0.22% probability of exploitation in the next 30 days, higher than 12% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | 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 |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 8.7 | 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 |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Wowza Media Systems, LLC. Wowza Streaming Engine
Classification
- Weakness
- CWE-352 Cross-Site Request Forgery
References
- exploit-db.com /exploits/40133 · exploit
- zeroscience.mk /en/vulnerabilities/ZSL-2016-5340.php · vendor-advisory
- vulncheck.com /advisories/wowza-streaming-engine-privilege-escalation-via-user-edit · third-party-advisory
Sources
- CVE List: CVE-2016-20034
- NVD: CVE-2016-20034
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