# CVE-2024-45160: lemonldap-ng: Incorrect credential validation in LemonLDAP::NG 2.18.x and 2.19.x before 2.19.2 allows attackers to bypass OAuth2 cl...

CVE-2024-45160 is fixed in lemonldap-ng on 1 platform, first by DEBIAN-CVE-2024-45160, released October 9, 2024. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2024-45160
- Priority: Urgent
- CVSS: 9.1 (critical)
- EPSS: 0.0052
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 9, 2024

## 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).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | lemonldap-ng Debian 13.5 (trixie) | 2.19.2+ds-1 | [DEBIAN-CVE-2024-45160](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45160.md) | Oct 9, 2024 |
| Linux | lemonldap-ng Debian 14 | 2.19.2+ds-1 | [DEBIAN-CVE-2024-45160](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45160.md) | Oct 9, 2024 |

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Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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