CVE-2024-45160

CRITICAL

Published Oct 9, 2024 Modified Apr 15, 2026 CWE-863

Description

Incorrect credential validation in LemonLDAP::NG 2.18.x and 2.19.x before 2.19.2 allows attackers to bypass OAuth2 client authentication via an empty client_password parameter (client secret).

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CVSS v3.1 Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-863 Incorrect Authorization

References

Other References

https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/06d771cbc2d5c752354c50f83e4912e5879f9aa2 https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/236cdfe42c1dc04a15a4a40c5e6a8c2e858d71d7 https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/696f49a0855faeb271096dccb8381e2129687c3d https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/3223 https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tags

Frequently Asked Questions

What is CVE-2024-45160? +

Incorrect credential validation in LemonLDAP::NG 2.18.x and 2.19.x before 2.19.2 allows attackers to bypass OAuth2 client authentication via an empty client_password parameter (client secret). It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2024-45160? +

CVE-2024-45160 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

How do I check if I'm vulnerable to CVE-2024-45160? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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