CVE-2023-28862

CRITICAL EPSS 57.0%
Published Mar 31, 20233y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Mar 31, 2023 3y ago
Last Modified Jun 17, 2026 2w ago

Description

An issue was discovered in LemonLDAP::NG before 2.16.1. Weak session ID generation in the AuthBasic handler and incorrect failure handling during a password check allow attackers to bypass 2FA verification. Any plugin that tries to deny session creation after the store step does not deny an AuthBasic session.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
57.0% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-287 Improper Authentication Authentication

Affected Products 1

VendorProductVersionRange
lemonldap-nglemonldap\\ <2.16.1

References 3

  • gitlab.ow2.org https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2896
    ExploitIssue TrackingPatch
  • gitlab.ow2.org https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.16.1
    Release Notes
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2023/07/msg00018.html

Remediation

  • gitlab.ow2.org https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2896
    ExploitIssue TrackingPatch