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MicrosoftCVE-2020-0836

HistorySep 11, 2020 - 5:15 p.m.

CVE-2020-0836

2020-09-1117:15:13

microsoft

web.nvd.nist.gov

windows

dns

denial of service

vulnerability

cve-2020-0836

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.002

Percentile

57.8%

JSON

A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive.
To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service.
The update addresses the vulnerability by correcting how Windows DNS processes queries.

Affected configurations

Nvd

Vulners

Node

microsoftwindows_server_2008Match-sp2x64

microsoftwindows_server_2008Match-sp2x86

microsoftwindows_server_2012Match-

microsoftwindows_server_2012Matchr2

microsoftwindows_server_2016Match-

microsoftwindows_server_2016Match1903

microsoftwindows_server_2016Match1909

microsoftwindows_server_2016Match2004

microsoftwindows_server_2019Match-

VendorProductVersionCPE
microsoftwindows_server_2008-cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
microsoftwindows_server_2008-cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
microsoftwindows_server_2012-cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
microsoftwindows_server_2012r2cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
microsoftwindows_server_2016-cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
microsoftwindows_server_20161903cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
microsoftwindows_server_20161909cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
microsoftwindows_server_20162004cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
microsoftwindows_server_2019-cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
microsoft	windows_server_2008	-	cpe:2.3:o:microsoft:windows_server_2008:-:sp2:::::x64:*
microsoft	windows_server_2008	-	cpe:2.3:o:microsoft:windows_server_2008:-:sp2:::::x86:*
microsoft	windows_server_2012	-	cpe:2.3:o:microsoft:windows_server_2012:-:::::::*
microsoft	windows_server_2012	r2	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*
microsoft	windows_server_2016	-	cpe:2.3:o:microsoft:windows_server_2016:-:::::::*
microsoft	windows_server_2016	1903	cpe:2.3:o:microsoft:windows_server_2016:1903:::::::*
microsoft	windows_server_2016	1909	cpe:2.3:o:microsoft:windows_server_2016:1909:::::::*
microsoft	windows_server_2016	2004	cpe:2.3:o:microsoft:windows_server_2016:2004:::::::*
microsoft	windows_server_2019	-	cpe:2.3:o:microsoft:windows_server_2019:-:::::::*

CNA Affected

[
  {
    "vendor": "Microsoft",
    "product": "Windows Server version 2004",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2019",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2019 (Server Core installation)",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server, version 1909 (Server Core installation)",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server, version 1903 (Server Core installation)",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2016",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2016 (Server Core installation)",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2008 Service Pack 2",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "32-bit Systems"
    ],
    "versions": [
      {
        "version": "6.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2008 Service Pack 2 (Server Core installation)",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x64:*",
      "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x86:*"
    ],
    "platforms": [
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2008  Service Pack 2",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x86:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2008 R2 Service Pack 1",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.1.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2008 R2 Service Pack 1 (Server Core installation)",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2012",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.2.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2012 (Server Core installation)",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.2.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2012 R2",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.3.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2012 R2 (Server Core installation)",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.3.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]