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Servers and applications

CVE-2015-8467

The samldb_check_user_account_control_acl function in dsdb/samdb/ldb_modules/samldb.c in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 does not properly check for administrative privileges during creation of machine accounts, which allows remote authenticated users to bypass intended access restrictions by leveraging the existence of a domain with both a Samba DC and a…

Severity
High 7.5
Published
29 Dec 2015
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.1.22, 4.2.7, 4.3.3
Exploit chance
3.1% in the next 30 daysHigher than 88% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Improper privilege management (CWE-269)
Attack
Over the network · Only under certain conditions · Needs a user account · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Description

The samldb_check_user_account_control_acl function in dsdb/samdb/ldb_modules/samldb.c in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 does not properly check for administrative privileges during creation of machine accounts, which allows remote authenticated users to bypass intended access restrictions by leveraging the existence of a domain with both a Samba DC and a Windows DC, a similar issue to CVE-2015-2535.

From NVD.

Affected software

SoftwareAffected versions
SambaServers and applications · cpe:a:samba:samba
  • From 4.0.0 before 4.1.22
  • From 4.2.0 before 4.2.7
  • From 4.3.0 before 4.3.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-8467
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-8467