CVE-2021-41807: M-Files Server

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

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 M-Files Server: before 21.12.10873.0 (fixed in 21.12.10873.0)
  • M-Files M-Files Web: before 21.12.10873.0 (fixed in 21.12.10873.0)

Published 2022-01-18. Last modified 2026-06-17.