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.
CVE-2017-12150
Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.4; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.4
- EG Score
- 7.4(medium)
- EPSS
- 95.9%
- KEV
- Not listed
Published
July 26, 2018
Last Modified
November 21, 2024
References (24)
- secalert@redhathttp://www.securityfocus.com/bid/100918
- secalert@redhathttp://www.securitytracker.com/id/1039401
- secalert@redhathttps://access.redhat.com/errata/RHSA-2017:2789
- secalert@redhathttps://access.redhat.com/errata/RHSA-2017:2790
- secalert@redhathttps://access.redhat.com/errata/RHSA-2017:2791
- secalert@redhathttps://access.redhat.com/errata/RHSA-2017:2858
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12150
- secalert@redhathttps://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03775en_us
- secalert@redhathttps://security.netapp.com/advisory/ntap-20170921-0001/
- secalert@redhathttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us
- secalert@redhathttps://www.debian.org/security/2017/dsa-3983
- secalert@redhathttps://www.samba.org/samba/security/CVE-2017-12150.html
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/100918
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1039401
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:2789
Vendor Advisories for CVE-2017-12150(4)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2017:2858Red Hat Product SecurityMedium
Red Hat Security Advisory: samba security update
- RHSA-2017:2789Red Hat Product SecurityMedium
Red Hat Security Advisory: samba security update
- RHSA-2017:2790Red Hat Product SecurityMedium
Red Hat Security Advisory: samba security update
- RHSA-2017:2791Red Hat Product SecurityMedium
Red Hat Security Advisory: samba4 security update
Patch Availability(6)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | samba (2:4.5.8+dfsg-0ubuntu0.17.04.7) @ zesty | 2026-05-28 | ubuntu |
| ubuntu | samba (2:3.6.25-0ubuntu0.12.04.13) @ precise | 2026-05-28 | ubuntu |
| redhat | samba-0:4.6.3-6.el7rhgs | 2017-10-04 | redhat |
| redhat | samba-0:4.6.2-11.el7_4 | 2017-09-21 | redhat |
| redhat | samba-0:3.6.23-45.el6_9 | 2017-09-21 | redhat |
| redhat | samba4-0:4.2.10-11.el6_9 | 2017-09-21 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(3)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Microsoft MSRCCVE-2017-121502024-10-15
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.
- UbuntuUSN-3426-1MEDIUM
Samba vulnerabilities
- UbuntuUSN-3426-2MEDIUM
Samba vulnerabilities
Data Freshness Timeline
(refreshed 7× in last 7d / 35× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
- 2026-07-08 15:10 UTCEPSS rescore
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 03:26 UTCOSV refresh
- 2026-07-01 15:02 UTCEPSS rescore
- 2026-07-01 15:02 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:05 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
Show 39 moreShow fewer
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-15 15:13 UTCOSV refresh
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:57 UTCEPSS rescore
- 2026-06-10 22:15 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 04:38 UTCEG score recompute
- 2026-05-28 04:38 UTCVendor advisory
- 2026-05-28 04:37 UTCGHSA enrichment
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 12:13 UTCOSV refresh
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
Frequently asked(5)
What is CVE-2017-12150?
When was CVE-2017-12150 disclosed?
Is CVE-2017-12150 actively exploited?
What is the CVSS score of CVE-2017-12150?
How do I remediate CVE-2017-12150?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2017-12150
Is Your Infrastructure Affected by CVE-2017-12150?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.