Is CVE-2013-4496 being actively exploited?

CVE-2013-4496 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-4496?

CVE-2013-4496 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2013-4496

MEDIUM · CVSS 5.0EPSS 9.8%EU EUVD

Samba 3.x before 3.6.23, 4.0.x before 4.0.16, and 4.1.x before 4.1.6 does not enforce the password-guessing protection mechanism for all interfaces, which makes it easier for remote attackers to obtain access via brute-force ChangePasswordUser2 (1) SAMR or (2) RAP attempts.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-255
EPSS score: 9.8% (96th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-4358)
Published: March 14, 2014
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-4358 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
samba / samba

References

http://advisories.mageia.org/MGASA-2014-0138.html(Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html(Mailing List, Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2014-03/msg00062.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2014-03/msg00063.html(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2014-0330.html(Third Party Advisory)
http://security.gentoo.org/glsa/glsa-201502-15.xml(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2015:082(Third Party Advisory)
http://www.samba.org/samba/history/samba-3.6.23.html(Vendor Advisory)
http://www.samba.org/samba/history/samba-4.0.16.html(Vendor Advisory)
http://www.samba.org/samba/history/samba-4.1.6.html(Vendor Advisory)
http://www.samba.org/samba/security/CVE-2013-4496(Vendor Advisory)
http://www.securityfocus.com/bid/66336(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-2156-1(Third Party Advisory)
https://bugzilla.samba.org/show_bug.cgi?id=10245(Issue Tracking, Vendor 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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