CVE-2020-25720 HIGH

CVE-2020-25720: Samba: check attribute access rights for ldap adds of computers

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Weakness CWE-266
Published November 17, 2024
Last update April 27, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A vulnerability was found in Samba where a delegated administrator with permission to create objects in Active Directory can write to all attributes of the newly created object, including security-sensitive attributes, even after the object's creation. This issue occurs because the administrator owns the object due to the lack of an Access Control List (ACL) at the time of creation and later being recognized as the 'creator owner.' The retained significant rights of the delegated administrator may not be well understood, potentially leading to unintended privilege escalation or security risks.

Key dates

02Disclosure timeline

November 17, 2024 CVE published
April 27, 2026 Record updated