CVE-2021-31540

low-risk
Published 2021-04-23

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.

Do I need to act?

-
0.03% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.1/10 High
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Wowza

References (6)

Exploit https://www.gruppotim.it/redteam
Release Notes https://www.wowza.com/docs/wowza-streaming-engine-4-8-12-release-notes
Vendor Advisory https://www.wowza.com/products/streaming-engine
Exploit https://www.gruppotim.it/redteam
Release Notes https://www.wowza.com/docs/wowza-streaming-engine-4-8-12-release-notes
Vendor Advisory https://www.wowza.com/products/streaming-engine
27
/ 100
low-risk
Severity 22/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal