Vulnerability Monitor

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CVE-2020-35518

When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP database.

Published

2021-03-26T17:15:12.280

Last Modified

2024-11-21T05:27:28.920

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-200
  • Type: Primary
    CWE-203
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System redhat 389_directory_server < 1.4.3.19 Yes
Operating System redhat 389_directory_server < 1.4.4.13 Yes
Operating System redhat 389_directory_server < 2.0.3 Yes
Application redhat directory_server 11.0 Yes
Operating System redhat enterprise_linux 7.0 Yes
Operating System redhat enterprise_linux 8.0 Yes
References