CVE-2021-35473 Information

Description

An issue was discovered in LemonLDAP::NG before 2.0.12. There is a missing expiration check in the OAuth2.0 handler i.e. it does not verify access token validity. An attacker can use a expired access token from an OIDC client to access the OAuth2 handler The earliest affected version is 2.0.4.

Reference

https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tags https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2549