Vulnerability · Published Apr 23, 2021 · Assigned by mitre

CVE-2021-31540

High 7.1

In plain English

A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS NVD)7.1High

Exploit odds (30 days)0.4%top 66.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.wowza.com/products/streaming-engine x_refsource_MISC
https://www.gruppotim.it/redteam x_refsource_MISC
https://www.wowza.com/docs/wowza-streaming-engine-4-8-12-release-notes x_refsource_MISC