CVE-2021-40874 Information

Description

An issue was discovered in LemonLDAP::NG (aka lemonldap-ng) 2.0.13. When using the RESTServer plug-in to operate a REST password validation service (for another LemonLDAP::NG instance for example) and using the Kerberos authentication method combined with another method with the Combination authentication plug-in any password will be recognized as valid for an existing user.

Reference

https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2612