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.
In M-Files Server product with versions before 21.11.10775.0, enabling logging of Federated authentication to event log wrote sensitive information to log. Mitigating factors are logging is disabled by default.