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CVE-2020-25719

nvd nist
Published: Feb 18, 2022Modified: Jun 17, 2026

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7.2
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.2 / Impact: 5.9
Source: NVD

Description

A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result could include total domain compromise.

Affected (33)

Products: Samba: Samba · Debian: Debian Linux · Fedoraproject: Fedora · +2 more
Show all products
1 product
Samba
1 product
Debian Linux
1 product
Fedora
1 product
Ubuntu Linux
13 products
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Samba
From 4.0.0 to 4.13.14
From 4.14.0 to 4.14.10
From 4.15.0 to 4.15.2
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Version 10.0
Version 9.0
Configuration C
3 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Version 33
Version 34
Version 35
Configuration D
3 vulnerable
Vulnerable SoftwareAffected Versions
Canonical
Version 20.04
Version 21.04
Version 21.10
Configuration E
22 vulnerable

References (6)

Source: secalert@redhat.com
Issue TrackingPatchThird Party Advisory
Source: secalert@redhat.com
MitigationVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
MitigationVendor Advisory

Timeline

No history available yet.