Vulnerability Details : CVE-2021-31540
Wowza Streaming Engine through 4.8.5 (in a default installation) has incorrect file permissions of configuration files in the conf/ directory. A regular local user is able to read and write to all the configuration files, e.g., modify the application server configuration.
Products affected by CVE-2021-31540
- cpe:2.3:a:wowza:streaming_engine:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31540
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31540
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.6
|
LOW | AV:L/AC:L/Au:N/C:P/I:P/A:N |
3.9
|
4.9
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
1.8
|
5.2
|
NIST |
CWE ids for CVE-2021-31540
-
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-31540
-
https://www.wowza.com/products/streaming-engine
Video Streaming Server Software | Wowza Streaming EngineVendor Advisory
-
https://www.gruppotim.it/redteam
Vulnerability Research & Advisor | Gruppo TIMExploit;Third Party Advisory
-
https://www.wowza.com/docs/wowza-streaming-engine-4-8-12-release-notes
Wowza Streaming Engine 4.8.12 Release NotesRelease Notes;Vendor Advisory
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