Is CVE-2013-4475 being actively exploited?

CVE-2013-4475 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-4475?

CVE-2013-4475 has a CVSS 2.0 base score of 4.0 (MEDIUM).

CVE-2013-4475

MEDIUM · CVSS 4.0EPSS 9.0%EU EUVD

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).

Key facts

CVSS score: 4.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:H/Au:N/C:P/I:P/A:N
Weakness (CWE): CWE-264
EPSS score: 9.0% (95th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-4343)
Published: November 13, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-4343 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
samba / samba
samba / samba

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-01/msg00002.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2013-11/msg00083.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2013-11/msg00115.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2013-11/msg00117.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2013-12/msg00088.html(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2013-1806.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2014-0009.html(Third Party Advisory)
http://secunia.com/advisories/56508(Third Party Advisory)
http://security.gentoo.org/glsa/glsa-201502-15.xml(Third Party Advisory)
http://www.debian.org/security/2013/dsa-2812(Third Party Advisory)
http://www.samba.org/samba/history/samba-3.6.20.html(Vendor Advisory)
http://www.samba.org/samba/history/samba-4.0.11.html(Vendor Advisory)
http://www.samba.org/samba/history/samba-4.1.1.html(Vendor Advisory)
http://www.samba.org/samba/security/CVE-2013-4475(Vendor Advisory)
http://www.securityfocus.com/bid/63646(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-2054-1(Third Party Advisory)
https://blogs.oracle.com/sunsecurity/entry/cve_2013_4475_access_control(Third Party Advisory)
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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