CVE-2015-8467

Name: CVE-2015-8467
Creator: NVD / NIST
Published: 2015-12-29T22:59:07.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.13%

Last modified Jun 17, 2026

CVE-2015-8467 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 3.13% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.13%

86.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Samba	Samba	>= 4.0.0, < 4.1.22
Samba	Samba	>= 4.2.0, < 4.2.7
Samba	Samba	>= 4.3.0, < 4.3.3
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	15.04
Canonical	Ubuntu Linux	15.10

References

http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.htmlMailing List, Third Party Advisory
http://www.debian.org/security/2016/dsa-3433Third Party Advisory
http://www.securityfocus.com/bid/79735Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1034493Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2855-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2855-2Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1290294Issue Tracking, Third Party Advisory
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=b000da128b5fb519d2d3f2e7fd20e4a25b7dae7d
https://security.gentoo.org/glsa/201612-47Third Party Advisory
https://www.samba.org/samba/security/CVE-2015-8467.htmlVendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.htmlMailing List, Third Party Advisory
http://www.debian.org/security/2016/dsa-3433Third Party Advisory
http://www.securityfocus.com/bid/79735Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1034493Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2855-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2855-2Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1290294Issue Tracking, Third Party Advisory
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=b000da128b5fb519d2d3f2e7fd20e4a25b7dae7d
https://security.gentoo.org/glsa/201612-47Third Party Advisory
https://www.samba.org/samba/security/CVE-2015-8467.htmlVendor Advisory

Timeline

Published: Dec 29, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-8467?

How severe is CVE-2015-8467?

CVE-2015-8467 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.13% probability of exploitation in the next 30 days.

How do I fix CVE-2015-8467?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-8467?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST