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cveMicrosoftCVE-2021-42284
HistoryNov 10, 2021 - 1:19 a.m.

CVE-2021-42284

2021-11-1001:19:45
microsoft
web.nvd.nist.gov
91
windows
hyper-v
dos
vulnerability
cve-2021-42284
nvd

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

CVSS3

6.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0

Percentile

9.5%

Windows Hyper-V Denial of Service Vulnerability

Affected configurations

Nvd
Vulners
Node
microsoftwindows_10Match-x64
OR
microsoftwindows_10Match20h2x64
OR
microsoftwindows_10Match21h1x64
OR
microsoftwindows_10Match1607x64
OR
microsoftwindows_10Match1809x64
OR
microsoftwindows_10Match1909x64
OR
microsoftwindows_10Match2004x64
OR
microsoftwindows_11Match-x64
OR
microsoftwindows_8.1Match-x64
OR
microsoftwindows_serverMatch20h2
OR
microsoftwindows_server_2012Matchr2
OR
microsoftwindows_server_2016Match-
OR
microsoftwindows_server_2016Match2004
OR
microsoftwindows_server_2019Match-
OR
microsoftwindows_server_2022
VendorProductVersionCPE
microsoftwindows_10-cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
microsoftwindows_1020h2cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
microsoftwindows_1021h1cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*
microsoftwindows_101607cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
microsoftwindows_101809cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
microsoftwindows_101909cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
microsoftwindows_102004cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*
microsoftwindows_11-cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*
microsoftwindows_8.1-cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
microsoftwindows_server20h2cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*
Rows per page:
1-10 of 151

CNA Affected

[
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 1809",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2300:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.17763.2300",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2019",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2300:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.17763.2300",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2019 (Server Core installation)",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2300:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.17763.2300",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 1909",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1916:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.18363.1916",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 21H1",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1348:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.19043.1348",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2022",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.350:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.20348.350",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 2004",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1348:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.19041.1348",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server version 2004",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1348:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.19041.1348",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server version 20H2",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_20H2:10.0.19041.1348:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.19041.1348",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 version 21H2",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.318:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.22000.318",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 1507",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.19119:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.10240.19119",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 1607",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4770:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.14393.4770",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2016",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4770:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.14393.4770",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2016 (Server Core installation)",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4770:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.14393.4770",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 8.1",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20174:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.3.0",
        "lessThan": "6.3.9600.20174",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2012 R2",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20174:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.3.0",
        "lessThan": "6.3.9600.20174",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2012 R2 (Server Core installation)",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20174:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.3.0",
        "lessThan": "6.3.9600.20174",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

CVSS3

6.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0

Percentile

9.5%