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CVE

CVE-2020-25721

Kerberos acceptors need easy access to stable AD identifiers (eg objectSid). Samba as an AD DC now provides a way for Li

Kerberos acceptors need easy access to stable AD identifiers (eg objectSid). Samba as an AD DC now provides a way for Linux applications to obtain a reliable SID (and samAccountName) in issued tickets.

HIGH · CVSS 8.8 EPSS 0.00366
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-20Improper Input Validation
▤

Affected Products & Versions

3
samba>= 4.13.0 and < 4.13.14
samba>= 4.14.0 and < 4.14.10
samba>= 4.15.0 and < 4.15.2
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Mar 2022 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:11631-1
suse-csafSUSE-SU-2022:0323-1
suse-csafSUSE-SU-2022:0361-1
usnUSN-5142-1
suse-csafopenSUSE-SU-2021:3647-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=2021728Issue TrackingThird Party Advisory
https://bugzilla.samba.org/show_bug.cgi?id=14725Issue TrackingVendor Advisory
https://security.gentoo.org/glsa/202309-06
https://www.samba.org/samba/security/CVE-2020-25721.htmlVendor Advisory
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