CVE-2021-40874

CRITICAL

LemonLDAP::NG <2.0.13 - Info Disclosure

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2612

Scores

CVSS v3 9.8
EPSS 0.0093
EPSS Percentile 55.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-287
Status published
Products (2)
debian/debian_linux 10.0
lemonldap-ng/lemonldap\ \ ng
Published Jul 18, 2022
Tracked Since Feb 18, 2026