CVE-2021-31540 Misconfiguration in n/a

High 7.1 Published 23 Apr 2021 Updated 3 Aug 2024

Local attackers can modify Wowza Streaming Engine configuration files due to insecure permissions, potentially altering server behavior or escalating privileges.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-31540?

CVE-2021-31540 is a high-severity vulnerability in n/a, published on 23 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.

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.

Weakness: CWE-732

Which versions are affected by CVE-2021-31540?

It affects 1 product.

Products include Wowza Streaming Engine.

How do I fix CVE-2021-31540?

No fix has been published for CVE-2021-31540 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-31540 being exploited?

There is no known exploitation of CVE-2021-31540 in the wild and no public exploit code.

Sources

Also known as GHSA-8h36-wvg6-2pj9.