CVE-2020-25722

Publication date 9 November 2021

Last updated 18 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Multiple flaws were found in the way samba AD DC implemented access and conformance checking of stored data. An attacker could use this flaw to cause total domain compromise.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
samba	26.04 LTS resolute	Fixed 2:4.13.14+dfsg-0ubuntu1
	25.10 questing	Fixed 2:4.13.14+dfsg-0ubuntu1
	25.04 plucky	Fixed 2:4.13.14+dfsg-0ubuntu1
	24.10 oracular	Fixed 2:4.13.14+dfsg-0ubuntu1
	24.04 LTS noble	Fixed 2:4.13.14+dfsg-0ubuntu1
	23.10 mantic	Fixed 2:4.13.14+dfsg-0ubuntu1
	23.04 lunar	Fixed 2:4.13.14+dfsg-0ubuntu1
	22.10 kinetic	Fixed 2:4.13.14+dfsg-0ubuntu1
	22.04 LTS jammy	Fixed 2:4.13.14+dfsg-0ubuntu1
	21.10 impish	Fixed 2:4.13.14+dfsg-0ubuntu0.21.10.1
	21.04 hirsute	Fixed 2:4.13.14+dfsg-0ubuntu0.21.04.1
	20.04 LTS focal	Fixed 2:4.13.14+dfsg-0ubuntu0.20.04.1
	18.04 LTS bionic	Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.26
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Vulnerable

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.8 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	8.8 · High
Exploitability score	-
Impact score	-

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

References

Related Ubuntu Security Notices (USN)

USN-5142-1
Samba vulnerabilities
11 November 2021

USN-5174-1
Samba vulnerabilities
6 December 2021