The ActiveDirectoryLdapAuthenticator in Spring Security 3.2.0 to 3.2.1 and 3.1.0 to 3.1.5 does not check the password length. If the directory allows anonymous binds then it may incorrectly authenticate a user who supplies an empty password.
https://github.com/advisories/GHSA-gv9v-c375-hvmg
https://www.oracle.com/security-alerts/cpuapr2022.html