CVE-2023-6912 Brute force vulnerability in M-Files user authentication

High 7.5 Published 20 Dec 2023 Updated 23 Feb 2026

Attackers can brute force M-Files Server user accounts due to missing rate limiting, potentially gaining unauthorized access to user data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-6912?

CVE-2023-6912 is a high-severity authentication bypass vulnerability in M-Files Server, published on 20 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Lack of protection against brute force attacks in M-Files Server before 23.12.13205.0 allows an attacker unlimited authentication attempts, potentially compromising targeted M-Files user accounts by guessing passwords.

Weakness: CWE-307

Which versions are affected by CVE-2023-6912?

It affects 1 product.

Products include M-Files M-Files Server.

How do I fix CVE-2023-6912?

No fix has been published for CVE-2023-6912 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-6912 being exploited?

There is no known exploitation of CVE-2023-6912 in the wild and no public exploit code.

Sources

Also known as GHSA-6qxg-cm55-g85x.