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CVE-2021-40874

Date: July 17, 2022

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.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2021-40874
https://security-tracker.debian.org/tracker/CVE-2021-40874
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-40874
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2612
https://www.mend.io/vulnerability-database/CVE-2021-40874

Severity Score

Weakness Type (CWE)

Improper Authentication

CWE-287

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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