Home/CVE/Wowza Streaming Engine through 4.8.5 (in a default installation) has incorrect file permissions of configuration files i
CVE

CVE-2021-31540

Wowza Streaming Engine through 4.8.5 (in a default installation) has incorrect file permissions of configuration files i

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.

HIGH · CVSS 7.1 EPSS 0.00035
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-732Incorrect Permission Assignment for Critical Resource
▤

Affected Products & Versions

1
wowza streaming engine<= 4.8.5
⚠

Public Exploits & PoCs

1
pocwww.gruppotim.it · redteamwww.gruppotim.it
▣

Scoring & Timeline

7.1
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Apr 2021 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.wowza.com/docs/wowza-streaming-engine-4-8-12-release-notesRelease NotesVendor Advisory
https://www.wowza.com/products/streaming-engineVendor Advisory
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