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Vulnerability record · CVE-2015-5252 · published 29 December 2015

CVE-2015-5252: Samba permissions and access controls vulnerability

Samba · Samba

vfs.c in smbd in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, when share names with certain substring relationships exist, allows remote attackers to bypass intended file-access restrictions via a symlink that points outside of a share.

7.2 CVSS 3.1 High EPSS 13% · top 3.7% CWE-264 · Permissions and access controls
7.2CVSS 3.1 base score, v2 5.0
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
48References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

vfs.c in smbd in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, when share names with certain substring relationships exist, allows remote attackers to bypass intended file-access restrictions via a symlink that points outside of a share.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html Mailing ListThird Party Advisory
http://www.debian.org/security/2016/dsa-3433 Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory
http://www.securityfocus.com/bid/79733 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1034493 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2855-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2855-2 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1290288 Issue TrackingThird Party Advisory
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=4278ef25f64d5fdbf432ff1534e275416ec9561e
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993 Third Party Advisory
https://security.gentoo.org/glsa/201612-47 Third Party Advisory
https://www.samba.org/samba/security/CVE-2015-5252.html ExploitVendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html Mailing ListThird Party Advisory
http://www.debian.org/security/2016/dsa-3433 Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory
http://www.securityfocus.com/bid/79733 Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2015-5252), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.