What’s Vulnerable › Vulnerabilities

CVE-2021-41807: Lack of rate limiting in M-Files Server and M-Files Web products with versions before 21.12.10873.0, allows brute-forcing of certain type of user accounts.

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-18 · updated 2026-06-17
• Weakness: CWE-307

Description

Lack of rate limiting in M-Files Server and M-Files Web products with versions before 21.12.10873.0 in certain type of user accounts allows unlimited amount of attempts and therefore makes brute-forcing login accounts easier.

Affected products

• M-Files Corporation M-Files Server: before 21.12.10873.0 — fixed in 21.12.10873.0
• M-Files Corporation M-Files Web: before 21.12.10873.0 — fixed in 21.12.10873.0

How to fix

Upgrade to a fixed version: M-Files Corporation M-Files Server 21.12.10873.0; M-Files Corporation M-Files Web 21.12.10873.0. Check the vendor advisory for mitigations.

References

• https://empower.m-files.com/security-advisories/CVE-2021-41807
• https://www.m-files.com/about/trust-center/security-vulnerabilities/cve-2021-41807/
• https://www.m-files.com/about/trust-center/security-vulnerabilities/cve-2021-41807/

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