What is CVE-2021-40874?

CVE-2021-40874 is a critical-severity vulnerability in Lemonldap-ng Lemonldap\, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-07-18.

How severe is CVE-2021-40874?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Lemonldap-ng Lemonldap\

CVE-2021-40874

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 met…

Vulnerability class: Broken Authentication

EPSS: 0.009 (56.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Lemonldap-ng Lemonldap\ — versions \
Debian Debian_linux — versions 10.0
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-40874?: CVE-2021-40874 is a critical-severity vulnerability in Lemonldap-ng Lemonldap\, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-07-18.
How severe is CVE-2021-40874?: Critical severity. CVSS v3 base score is 9.8 out of 10.