Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2011-1024

chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a master-slave configuration with a chain overlay and ppolicy_forward_updates (aka authentication-failure forwarding) is used, allows remote authenticated users to bypass external-program authentication by sending an invalid password to a slave server.

Published

2011-03-20T02:00:03.627

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.6 (MEDIUM)

CVSSv2 Vector

AV:N/AC:H/Au:S/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: HIGH
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-264
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application openldap openldap 2.4.6 Yes
Application openldap openldap 2.4.7 Yes
Application openldap openldap 2.4.8 Yes
Application openldap openldap 2.4.9 Yes
Application openldap openldap 2.4.10 Yes
Application openldap openldap 2.4.11 Yes
Application openldap openldap 2.4.12 Yes
Application openldap openldap 2.4.13 Yes
Application openldap openldap 2.4.14 Yes
Application openldap openldap 2.4.15 Yes
Application openldap openldap 2.4.16 Yes
Application openldap openldap 2.4.17 Yes
Application openldap openldap 2.4.18 Yes
Application openldap openldap 2.4.19 Yes
Application openldap openldap 2.4.20 Yes
Application openldap openldap 2.4.21 Yes
Application openldap openldap 2.4.22 Yes
Application openldap openldap 2.4.23 Yes
References