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Vulnerabilities

CVE-2016-2118 Detail

Modified After Enrichment

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

Description

The MS-SAMR and MS-LSAD protocol implementations in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 mishandle DCERPC connections, which allows man-in-the-middle attackers to perform protocol-downgrade attacks and impersonate users by modifying the client-server data stream, aka "BADLOCK."

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

👁 NIST CVSS score

NIST: NVD

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://badlock.org/	CVE, Inc., Red Hat	Technical Description Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html	CVE, Inc., Red Hat	Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.html	CVE, Inc., Red Hat	Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.html	CVE, Inc., Red Hat	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00020.html	CVE, Inc., Red Hat	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00021.html	CVE, Inc., Red Hat	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00022.html	CVE, Inc., Red Hat	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00023.html	CVE, Inc., Red Hat	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00024.html	CVE, Inc., Red Hat	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html	CVE, Inc., Red Hat	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html	CVE, Inc., Red Hat	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html	CVE, Inc., Red Hat	Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0611.html	CVE, Inc., Red Hat	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0612.html	CVE, Inc., Red Hat	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0613.html	CVE, Inc., Red Hat	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0614.html	CVE, Inc., Red Hat	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0618.html	CVE, Inc., Red Hat	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0619.html	CVE, Inc., Red Hat	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0620.html	CVE, Inc., Red Hat	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0621.html	CVE, Inc., Red Hat	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0623.html	CVE, Inc., Red Hat	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0624.html	CVE, Inc., Red Hat	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0625.html	CVE, Inc., Red Hat	Third Party Advisory
http://www.debian.org/security/2016/dsa-3548	CVE, Inc., Red Hat	Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html	CVE, Inc., Red Hat	Third Party Advisory
http://www.securityfocus.com/bid/86002	CVE, Inc., Red Hat	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1035533	CVE, Inc., Red Hat	Third Party Advisory VDB Entry
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.458012	CVE, Inc., Red Hat	Mailing List Third Party Advisory
http://www.ubuntu.com/usn/USN-2950-1	CVE, Inc., Red Hat	Third Party Advisory
http://www.ubuntu.com/usn/USN-2950-2	CVE, Inc., Red Hat	Third Party Advisory
http://www.ubuntu.com/usn/USN-2950-3	CVE, Inc., Red Hat	Third Party Advisory
http://www.ubuntu.com/usn/USN-2950-4	CVE, Inc., Red Hat	Third Party Advisory
http://www.ubuntu.com/usn/USN-2950-5	CVE, Inc., Red Hat	Third Party Advisory
https://access.redhat.com/security/vulnerabilities/badlock	CVE, Inc., Red Hat	Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa122	CVE, Inc., Red Hat	Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05162399	CVE, Inc., Red Hat	Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05166182	CVE, Inc., Red Hat	Third Party Advisory
https://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes	CVE, Inc., Red Hat	Third Party Advisory
https://kb.netapp.com/support/s/article/ka51A0000008SXzQAM/smb-vulnerabilities-in-multiple-netapp-products	CVE, Inc., Red Hat	Third Party Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40196	CVE, Inc., Red Hat	Third Party Advisory
https://security.gentoo.org/glsa/201612-47	CVE, Inc., Red Hat	Third Party Advisory
https://www.kb.cert.org/vuls/id/813296	CVE, Inc., Red Hat	Third Party Advisory US Government Resource
https://www.samba.org/samba/history/samba-4.2.10.html	CVE, Inc., Red Hat	Third Party Advisory
https://www.samba.org/samba/latest_news.html#4.4.2	CVE, Inc., Red Hat	Vendor Advisory
https://www.samba.org/samba/security/CVE-2016-2118.html	CVE, Inc., Red Hat	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-254	7PK - Security Features	👁 cwe source acceptance level NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

20 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-2118
NVD Published Date:
04/12/2016
NVD Last Modified:
06/16/2026
Source:
Red Hat, Inc.

URL: https://nvd.nist.gov/vuln/detail/CVE-2016-2118

⇱ NVD - CVE-2016-2118

CVE-2016-2118 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by Red Hat, Inc. 6/16/2026 8:43:29 PM

CVE Status Change 5/06/2026 6:30:45 PM

CVE Modified by CVE 11/20/2024 9:47:52 PM

CVE Modified by Red Hat, Inc. 5/13/2024 11:54:21 PM

Reanalysis by NIST 8/29/2022 4:20:17 PM

Modified Analysis by NIST 9/27/2019 1:17:37 PM

CVE Modified by Red Hat, Inc. 11/30/2018 4:31:39 PM

CVE Modified by Red Hat, Inc. 7/03/2017 9:29:00 PM

CVE Modified by Red Hat, Inc. 12/30/2016 9:59:38 PM

CVE Modified by Red Hat, Inc. 12/02/2016 10:24:41 PM

CVE Modified by Red Hat, Inc. 11/30/2016 10:08:47 PM

CVE Modified by Red Hat, Inc. 11/28/2016 3:03:24 PM

CVE Modified by Red Hat, Inc. 10/03/2016 10:07:27 PM

Modified Analysis by NIST 7/07/2016 12:47:26 PM

CVE Modified by Red Hat, Inc. 6/14/2016 10:00:35 PM

CVE Modified by Red Hat, Inc. 6/10/2016 10:01:36 PM

Modified Analysis by NIST 6/03/2016 6:14:47 PM

CVE Modified by Red Hat, Inc. 6/02/2016 10:01:29 PM

Modified Analysis by NIST 4/13/2016 10:27:03 AM

Initial CVE Analysis 4/13/2016 9:58:43 AM

Quick Info