CVE-2013-4475

Name: CVE-2013-4475
Creator: NVD / NIST
Published: 2013-11-13T15:55:03.47+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 9.02%

Last modified Jun 16, 2026

CVE-2013-4475 is a vulnerability of currently unknown severity. Samba 3.2.x through 3.6.x before 3.6.20, 4.0.x before 4.0.11, and 4.1.x before 4.1.1, when vfs_streams_depot or vfs_streams_xattr is enabled, allows remote attackers to bypass intended file restrictions by leveraging ACL differences between a file and an associated alternate data stream (ADS).. EPSS estimates a 9.02% chance of exploitation in the next 30 days.

Description

Samba 3.2.x through 3.6.x before 3.6.20, 4.0.x before 4.0.11, and 4.1.x before 4.1.1, when vfs_streams_depot or vfs_streams_xattr is enabled, allows remote attackers to bypass intended file restrictions by leveraging ACL differences between a file and an associated alternate data stream (ADS).

Metrics

EPSS Probability

9.02%

94.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Samba	Samba	>= 3.2.0, < 3.6.20
Samba	Samba	>= 4.0.0, < 4.0.11
Samba	Samba	4.1.0
Debian	Debian Linux	6.0
Debian	Debian Linux	7.0
Canonical	Ubuntu Linux	10.04
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	12.10
Canonical	Ubuntu Linux	13.04
Canonical	Ubuntu Linux	13.10

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-01/msg00002.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-11/msg00083.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-11/msg00115.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-11/msg00117.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-12/msg00088.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-1806.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0009.htmlThird Party Advisory
http://secunia.com/advisories/56508Third Party Advisory
http://security.gentoo.org/glsa/glsa-201502-15.xmlThird Party Advisory
http://www.debian.org/security/2013/dsa-2812Third Party Advisory
http://www.samba.org/samba/history/samba-3.6.20.htmlVendor Advisory
http://www.samba.org/samba/history/samba-4.0.11.htmlVendor Advisory
http://www.samba.org/samba/history/samba-4.1.1.htmlVendor Advisory
http://www.samba.org/samba/security/CVE-2013-4475Vendor Advisory
http://www.securityfocus.com/bid/63646Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2054-1Third Party Advisory
https://blogs.oracle.com/sunsecurity/entry/cve_2013_4475_access_controlThird Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-01/msg00002.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-11/msg00083.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-11/msg00115.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-11/msg00117.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-12/msg00088.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-1806.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0009.htmlThird Party Advisory
http://secunia.com/advisories/56508Third Party Advisory
http://security.gentoo.org/glsa/glsa-201502-15.xmlThird Party Advisory
http://www.debian.org/security/2013/dsa-2812Third Party Advisory
http://www.samba.org/samba/history/samba-3.6.20.htmlVendor Advisory
http://www.samba.org/samba/history/samba-4.0.11.htmlVendor Advisory
http://www.samba.org/samba/history/samba-4.1.1.htmlVendor Advisory
http://www.samba.org/samba/security/CVE-2013-4475Vendor Advisory
http://www.securityfocus.com/bid/63646Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2054-1Third Party Advisory
https://blogs.oracle.com/sunsecurity/entry/cve_2013_4475_access_controlThird Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993Third Party Advisory

Timeline

Published: Nov 13, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-4475?

How severe is CVE-2013-4475?

Severity scoring for CVE-2013-4475 is pending analysis. The EPSS model estimates a 9.02% probability of exploitation in the next 30 days.

How do I fix CVE-2013-4475?

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-2013-4475?

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

Scan your code now

Source: NVD / NIST