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Fencer Intel
medium 5.0

CVE-2013-4496 json

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 in…

published 12y ago modified 4mo ago also EUVD-2013-4358

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.8%
EPSS 9.8% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

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.

Patch / fix

  • samba samba 3.6.23, 4.0.16, 4.1.6
  • samba Debian 14, Debian 13, Debian 12 2:4.1.6+dfsg-1

debian advisories DEBIAN-CVE-2013-4496

  • samba Ubuntu 14.04 LTS 2:4.1.3+dfsg-2ubuntu4

ubuntu advisories UBUNTU-CVE-2013-4496

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • samba4 RHEL 6 4.0.0-61.el6_5.rc4
  • samba4-dc RHEL 6 4.0.0-61.el6_5.rc4
  • samba4-libs RHEL 6 4.0.0-61.el6_5.rc4
  • samba4-pidl RHEL 6 4.0.0-61.el6_5.rc4
  • samba4-swat RHEL 6 4.0.0-61.el6_5.rc4
  • samba4-test RHEL 6 4.0.0-61.el6_5.rc4
  • samba4-client RHEL 6 4.0.0-61.el6_5.rc4
  • samba4-common RHEL 6 4.0.0-61.el6_5.rc4

red hat advisories RHSA-2014:0383RHSA-2014:0330

  • samba openSUSE Tumbleweed 4.5.0-1.1

opensuse advisories openSUSE-SU-2024:10069-1

Is CVE-2013-4496 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-4496 updated cvss 3.8

samba: Password lockout not enforced for SAMR password changes

  • Red Hat Storage 2 samba
    affected: no fix available
  • Red Hat Enterprise Linux (v. 5 server) samba3x 3.6.6-0.139.el5_10, samba3x-swat 3.6.6-0.139.el5_10, samba3x-client 3.6.6-0.139.el5_10, samba3x-common 3.6.6-0.139.el5_10, samba3x-winbind 3.6.6-0.139.el5_10, samba3x-domainjoin-gui 3.6.6-0.139.el5_10 Red Hat Enterprise Linux Desktop (v. 5 client) samba3x 3.6.6-0.139.el5_10, samba3x-swat 3.6.6-0.139.el5_10, samba3x-client 3.6.6-0.139.el5_10, samba3x-common 3.6.6-0.139.el5_10, samba3x-winbind 3.6.6-0.139.el5_10, samba3x-domainjoin-gui 3.6.6-0.139.el5_10 Red Hat Enterprise Linux Desktop (v. 6) samba 3.6.9-168.el6_5, samba4 4.0.0-61.el6_5.rc4, libsmbclient 3.6.9-168.el6_5, samba-client 3.6.9-168.el6_5, samba-common 3.6.9-168.el6_5, samba4-dc 4.0.0-61.el6_5.rc4, +13 more Red Hat Enterprise Linux Desktop Optional (v. 6) samba 3.6.9-168.el6_5, samba-swat 3.6.9-168.el6_5, samba-domainjoin-gui 3.6.9-168.el6_5, samba-winbind-krb5-locator 3.6.9-168.el6_5 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) samba3x 3.6.6-0.139.el5_10 Red Hat Enterprise Linux HPC Node (v. 6) samba 3.6.9-168.el6_5, samba4 4.0.0-61.el6_5.rc4, samba-client 3.6.9-168.el6_5, samba-common 3.6.9-168.el6_5, samba4-dc 4.0.0-61.el6_5.rc4, samba-winbind 3.6.9-168.el6_5, +12 more
    +5 more products
    Red Hat Enterprise Linux HPC Node Optional (v. 6) samba 3.6.9-168.el6_5, samba-swat 3.6.9-168.el6_5, libsmbclient 3.6.9-168.el6_5, samba-domainjoin-gui 3.6.9-168.el6_5, samba-winbind-krb5-locator 3.6.9-168.el6_5 Red Hat Enterprise Linux Server (v. 6) samba 3.6.9-168.el6_5, samba4 4.0.0-61.el6_5.rc4, libsmbclient 3.6.9-168.el6_5, samba-client 3.6.9-168.el6_5, samba-common 3.6.9-168.el6_5, samba4-dc 4.0.0-61.el6_5.rc4, +13 more Red Hat Enterprise Linux Server Optional (v. 6) samba 3.6.9-168.el6_5, samba-swat 3.6.9-168.el6_5, samba-domainjoin-gui 3.6.9-168.el6_5, samba-winbind-krb5-locator 3.6.9-168.el6_5 Red Hat Enterprise Linux Workstation (v. 6) samba 3.6.9-168.el6_5, samba4 4.0.0-61.el6_5.rc4, libsmbclient 3.6.9-168.el6_5, samba-client 3.6.9-168.el6_5, samba-common 3.6.9-168.el6_5, samba4-dc 4.0.0-61.el6_5.rc4, +13 more Red Hat Enterprise Linux Workstation Optional (v. 6) samba 3.6.9-168.el6_5, samba-swat 3.6.9-168.el6_5, samba-domainjoin-gui 3.6.9-168.el6_5, samba-winbind-krb5-locator 3.6.9-168.el6_5
    fixed: vendor fix RHSA-2014:0330
  • Red Hat Enterprise Linux 5 samba Red Hat Enterprise Linux 7 ctdb, samba, samba-dc, ctdb-tests, samba-libs, samba-pidl, +18 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

9.76% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-255 Credentials Management Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.