DEBIAN-CVE-2020-25719

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2020-25719
Downstream
DSA-5003-1
Published: 18 Feb 2022, 18:15
Last modified:28 Apr 2026, 20:19

Vulnerability Summary

Overall Risk (default)
medium
29/100
CVSS Score
7.2 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Feb 2022, 18:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:19
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•samba

    < 2:4.13.13+dfsg-1~deb11u2 | < 2:4.13.14+dfsg-1 | < 2:4.13.14+dfsg-1 | < 2:4.13.14+dfsg-1

References (1)