CVE-2020-24660

CRITICAL

LemonLDAP::NG < 2.0.8 - Unauthenticated URL Access Control Bypass via Non-Normalized URI

Title source: llm
STIX 2.1

Description

An issue was discovered in LemonLDAP::NG through 2.0.8, when NGINX is used. An attacker may bypass URL-based access control to protected Virtual Hosts by submitting a non-normalized URI. This also affects versions before 0.5.2 of the "Lemonldap::NG handler for Node.js" package.

References (4)

Core 4
Core References
Exploit, Third Party Advisory x_refsource_misc
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2290
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4762

Scores

CVSS v3 9.8
EPSS 0.0234
EPSS Percentile 81.4%
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-425
Status published
Products (4)
debian/debian_linux 10.0
lemonldap-ng/lemonldap\ < 0.5.2
lemonldap-ng/lemonldap\ < 2.0.8
npm/lemonldap-ng-handler 0 - 0.5.2npm
Published Sep 14, 2020
Tracked Since Feb 18, 2026