CVE-2017-12150

Name: CVE-2017-12150
Creator: NVD / NIST
Published: 2018-07-26T18:29:00.213+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 13.23%

Last modified Jun 17, 2026

CVE-2017-12150 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. It was found that samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8 did not enforce "SMB signing" when certain configuration options were enabled. A remote attacker could launch a man-in-the-middle attack and retrieve information in plain-text.. EPSS estimates a 13.23% chance of exploitation in the next 30 days.

Description

It was found that samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8 did not enforce "SMB signing" when certain configuration options were enabled. A remote attacker could launch a man-in-the-middle attack and retrieve information in plain-text.

Metrics

CVSS 3.1

7.4/10

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

EPSS Probability

13.23%

95.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-300

Affected Software

Vendor	Product	Versions
Samba	Samba	>= 3.0.25, < 4.4.16
Samba	Samba	>= 4.5.0, < 4.5.14
Samba	Samba	>= 4.6.0, < 4.6.8
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0
Redhat	Gluster Storage	3.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

http://www.securityfocus.com/bid/100918Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039401Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2789Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2790Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2791Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2858Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12150Issue Tracking, Mitigation, Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03775en_usThird Party Advisory
https://security.netapp.com/advisory/ntap-20170921-0001/Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_usThird Party Advisory
https://www.debian.org/security/2017/dsa-3983Third Party Advisory
https://www.samba.org/samba/security/CVE-2017-12150.htmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/100918Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039401Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2789Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2790Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2791Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2858Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12150Issue Tracking, Mitigation, Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03775en_usThird Party Advisory
https://security.netapp.com/advisory/ntap-20170921-0001/Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_usThird Party Advisory
https://www.debian.org/security/2017/dsa-3983Third Party Advisory
https://www.samba.org/samba/security/CVE-2017-12150.htmlPatch, Vendor Advisory

Timeline

Published: Jul 26, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-12150?

How severe is CVE-2017-12150?

CVE-2017-12150 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 13.23% probability of exploitation in the next 30 days.

How do I fix CVE-2017-12150?

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-2017-12150?

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

Scan your code now

Source: NVD / NIST