CVE-2021-35472

HIGH
Published Jul 30, 20214y ago · Modified Jun 17, 20262w ago
8.8 CVSS 3.1
High
Find Similar
Published Jul 30, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

An issue was discovered in LemonLDAP::NG before 2.0.12. Session cache corruption can lead to authorization bypass or spoofing. By running a loop that makes many authentication attempts, an attacker might alternately be authenticated as one of two different users.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-307

Affected Products 2

VendorProductVersionRange
lemonldap-nglemonldap\\ ≤2.0.11
debiandebian_linux10.0any

References 4

  • gitlab.ow2.org https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/8d3b763b6af2b8a9c4ad2765fbfabffec8a73af5
    PatchThird Party Advisory
  • gitlab.ow2.org https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2539
    ExploitPatchThird Party Advisory
  • gitlab.ow2.org https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tags
    PatchThird Party Advisory
  • debian.org https://www.debian.org/security/2021/dsa-4943
    Third Party Advisory

Remediation

  • gitlab.ow2.org https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/8d3b763b6af2b8a9c4ad2765fbfabffec8a73af5
    PatchThird Party Advisory
  • gitlab.ow2.org https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2539
    ExploitPatchThird Party Advisory
  • gitlab.ow2.org https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tags
    PatchThird Party Advisory