ALPINE-CVE-2020-25719

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2020-25719
Published: 18 Feb 2022, 18:15
Last modified:08 Jul 2026, 04:30

Vulnerability Summary

Overall Risk (default)
medium
29/100
CVSS Score
7.2 HIGH
3.1 (osv_alpine)
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
08 Jul 2026, 04:30
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

  • alpine•samba

    < 4.13.17-r0 | < 4.14.12-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | ≥ 4.0.0, < 4.13.17-r0 | ≥ 4.0.0, < 4.14.12-r0 | ≥ 4.0.0, < 4.15.2-r0 | ≥ 4.0.0, < 4.15.2-r0 | ≥ 4.0.0, < 4.15.2-r0 | ≥ 4.0.0, < 4.15.2-r0 | ≥ 4.0.0, < 4.15.2-r0 | ≥ 4.0.0, < 4.15.2-r0 | ≥ 4.0.0, < 4.15.2-r0 | ≥ 4.0.0, < 4.15.2-r0 | ≥ 4.0.0, < 4.15.2-r0 | ≥ 4.0.0, < 4.15.2-r0

References (1)