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CVE-2020-25717

Published: 9 November 2021

A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation.

Notes

AuthorNote
mdeslaur
The fix for this issue introduces behaviour changes

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
samba
Launchpad, Ubuntu, Debian
bionic
Released (2:4.7.6+dfsg~ubuntu-0ubuntu2.26)
focal
Released (2:4.13.14+dfsg-0ubuntu0.20.04.1)
hirsute
Released (2:4.13.14+dfsg-0ubuntu0.21.04.1)
impish
Released (2:4.13.14+dfsg-0ubuntu0.21.10.1)
jammy
Released (2:4.13.14+dfsg-0ubuntu1)
kinetic
Released (2:4.13.14+dfsg-0ubuntu1)
lunar
Released (2:4.13.14+dfsg-0ubuntu1)
mantic
Released (2:4.13.14+dfsg-0ubuntu1)
trusty Needed

upstream
Released (4.13.14)
xenial Needed

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N