What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-20 · updated 2026-06-17
• Weakness: CWE-307

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.

Affected products

• M-Files Corporation M-Files Server: before 23.12.13205.0 — fixed in 23.12.13205.0

How to fix

Upgrade to a fixed version: M-Files Corporation M-Files Server 23.12.13205.0. Check the vendor advisory for mitigations.

References

• https://empower.m-files.com/security-advisories/CVE-2023-6912
• https://product.m-files.com/security-advisories/cve-2023-6912/
• https://www.m-files.com/about/trust-center/security-advisories/cve-2023-6912/

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