CVE-2016-0128
Summary
| CVE | CVE-2016-0128 |
|---|---|
| State | PUBLISHED |
| Assigner | microsoft |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-04-12 23:59:06 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | The SAM and LSAD protocol implementations in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 do not properly establish an RPC channel, which allows man-in-the-middle attackers to perform protocol-downgrade attacks and impersonate users by modifying the client-server data stream, aka "Windows SAM and LSAD Downgrade Vulnerability" or "BADLOCK." |
Risk And Classification
Primary CVSS: v3.1 6.8 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Problem Types: CWE-254 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 6.8 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N |
| 2.0 | [email protected] | Primary | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
NoneCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
PartialIntegrity
PartialAvailability
NoneAV:N/AC:M/Au:N/C:P/I:P/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Microsoft | Windows 10 | - | All | All | All |
| Operating System | Microsoft | Windows 10 | 1511 | All | All | All |
| Operating System | Microsoft | Windows 7 | All | sp1 | All | All |
| Operating System | Microsoft | Windows 8.1 | All | All | All | All |
| Operating System | Microsoft | Windows Rt 8.1 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2008 | All | sp2 | All | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | sp1 | All | All |
| Operating System | Microsoft | Windows Server 2012 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2012 | r2 | All | All | All |
| Operating System | Microsoft | Windows Vista | All | sp2 | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Badlock Bug | af854a3a-2127-422b-91ae-364da2661108 | badlock.org | Third Party Advisory |
| Broadcom Support Portal | af854a3a-2127-422b-91ae-364da2661108 | bto.bluecoat.com | Third Party Advisory |
| Microsoft Windows SAM/LSAD Connection Downgrade Attack Lets Remote Users Hijack the Target Session - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| Vulnerability Note VU#813296 - Microsoft Windows and Samba may allow spoofing of authenticated users ("Badlock") | af854a3a-2127-422b-91ae-364da2661108 | www.kb.cert.org | Third Party Advisory, US Government Resource |
| Microsoft Security Bulletin MS16-047 - Important | Microsoft Docs | af854a3a-2127-422b-91ae-364da2661108 | docs.microsoft.com | Patch, Vendor Advisory |
| Samba - Security Announcement Archive | af854a3a-2127-422b-91ae-364da2661108 | www.samba.org | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.