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MicrosoftCVE-2017-0021

HistoryMar 17, 2017 - 12:59 a.m.

CVE-2017-0021

2017-03-1700:59:00

microsoft

web.nvd.nist.gov

hyper-v

microsoft

windows 10

windows server 2016

vsmb

cve-2017-0021

vulnerability

arbitrary code execution

CVSS2

7.7

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:A/AC:L/Au:S/C:C/I:C/A:C

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

AI Score

6.8

Confidence

High

EPSS

0.019

Percentile

88.5%

JSON

Hyper-V in Microsoft Windows 10 1607 and Windows Server 2016 does not properly validate vSMB packet data, which allows attackers to execute arbitrary code on a target OS, aka “Hyper-V System Data Structure Vulnerability.” This vulnerability is different from that described in CVE-2017-0095.

Affected configurations

Nvd

Vulners

Node

microsoftwindows_10Match1607

microsoftwindows_server_2016

VendorProductVersionCPE
microsoftwindows_101607cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
microsoftwindows_server_2016*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
microsoft	windows_10	1607	cpe:2.3:o:microsoft:windows_10:1607:::::::*
microsoft	windows_server_2016	*	cpe:2.3:o:microsoft:windows_server_2016::::::::

CNA Affected

[
  {
    "product": "Hyper-V vSMB",
    "vendor": "Microsoft Corporation",
    "versions": [
      {
        "status": "affected",
        "version": "Hyper-V in Microsoft Windows 10 1607 and Windows Server 2016"
      }
    ]
  }
]