---
id: CVE-2020-25720
title: 'Samba: check attribute access rights for ldap adds of computers'
summary: >-
  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 obj…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-266
vendor: Red Hat
product: samba
affected:
  - samba < 4.17.8
  - samba
  - samba
  - samba4
  - samba
  - samba
  - samba
  - openshift/ose-rhel-coreos-8
  - openshift/ose-rhel-coreos-9
  - samba
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2024-11-17T16:18:39.310986Z'
published: '2024-11-17'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T16:09:14.698Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2020-25720'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2020-25720'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2305954'
    label: RHBZ#2305954
tags:
  - cve.org
epss: 0.00494
epssPercentile: 0.41416
ingestedAt: '2026-10-21T17:07:51.312Z'
---

## Overview

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.

## Affected

- `samba < 4.17.8`
- `samba`
- `samba`
- `samba4`
- `samba`
- `samba`
- `samba`
- `openshift/ose-rhel-coreos-8`
- `openshift/ose-rhel-coreos-9`
- `samba`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

### Workarounds

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.