CVE-2024-52946

high

Description

An issue was discovered in LemonLDAP::NG before 2.20.1. An Improper Check during session refresh allows an authenticated user to raise their authentication level if the admin configured an "Adaptative authentication rule" with an increment instead of an absolute value.

References

https://lists.debian.org/debian-lts-announce/2024/11/msg00037.html

https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/3255

Details

Source: Mitre, NVD

Published: 2024-11-18

Updated: 2025-11-03

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00103