CVE-2021-31540

HIGH

Wowza Streaming Engine < 4.8.5 - Incorrect Permission Assignment

Title source: rule
STIX 2.1

Description

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.

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
https://www.wowza.com/products/streaming-engine
Exploit, Third Party Advisory x_refsource_misc
https://www.gruppotim.it/redteam
Release Notes, Vendor Advisory x_refsource_misc
https://www.wowza.com/docs/wowza-streaming-engine-4-8-12-release-notes

Scores

CVSS v3 7.1
EPSS 0.0003
EPSS Percentile 10.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-732
Status published
Products (1)
wowza/streaming_engine < 4.8.5
Published Apr 23, 2021
Tracked Since Feb 18, 2026