CVE-2018-1057

Name: CVE-2018-1057
Creator: NVD / NIST
Published: 2018-03-13T16:29:00.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 10.31%

Last modified Jun 17, 2026

CVE-2018-1057 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. On a Samba 4 AD DC the LDAP server in all versions of Samba from 4.0.0 onwards incorrectly validates permissions to modify passwords over LDAP allowing authenticated users to change any other users' passwords, including administrative users and privileged service accounts (eg Domain Controllers).. EPSS estimates a 10.31% chance of exploitation in the next 30 days.

Description

On a Samba 4 AD DC the LDAP server in all versions of Samba from 4.0.0 onwards incorrectly validates permissions to modify passwords over LDAP allowing authenticated users to change any other users' passwords, including administrative users and privileged service accounts (eg Domain Controllers).

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

10.31%

95.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	17.10
Debian	Debian Linux	8.0
Samba	Samba	>= 4.0.0, < 4.5.16
Samba	Samba	>= 4.6.0, < 4.6.14
Samba	Samba	>= 4.7.0, < 4.7.6

References

http://www.securityfocus.com/bid/103382Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040494Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1553553Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201805-07Third Party Advisory
https://security.netapp.com/advisory/ntap-20180313-0001/Third Party Advisory
https://usn.ubuntu.com/3595-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4135Third Party Advisory
https://www.samba.org/samba/security/CVE-2018-1057.htmlMitigation, Vendor Advisory
https://www.synology.com/support/security/Synology_SA_18_08Third Party Advisory
http://www.securityfocus.com/bid/103382Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040494Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1553553Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201805-07Third Party Advisory
https://security.netapp.com/advisory/ntap-20180313-0001/Third Party Advisory
https://usn.ubuntu.com/3595-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4135Third Party Advisory
https://www.samba.org/samba/security/CVE-2018-1057.htmlMitigation, Vendor Advisory
https://www.synology.com/support/security/Synology_SA_18_08Third Party Advisory

Timeline

Published: Mar 13, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1057?

How severe is CVE-2018-1057?

CVE-2018-1057 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 10.31% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1057?

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-2018-1057?

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

Scan your code now

Source: NVD / NIST