CVE-2021-31540

high

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

https://www.wowza.com/products/streaming-engine

https://www.wowza.com/docs/wowza-streaming-engine-4-8-12-release-notes

https://www.gruppotim.it/redteam

Details

Source: Mitre, NVD

Published: 2021-04-23

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Severity: High

EPSS

EPSS: 0.00035