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cve[email protected]CVE-2021-26895
HistoryMar 11, 2021 - 4:15 p.m.

CVE-2021-26895

2021-03-1116:15:16
web.nvd.nist.gov
78
5
windows
dns
server
remote
code execution
vulnerability
cve-2021-26895
nvd

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.047 Low

EPSS

Percentile

92.6%

Windows DNS Server Remote Code Execution Vulnerability

Affected configurations

Vulners
NVD
Node
microsoftwindows_server_2019Match10.0.0
OR
microsoftwindows_server_2019Match10.0.0
OR
microsoftwindows_server,_version_1909Match10.0.0
OR
microsoftwindows_server_version_2004Match10.0.0
OR
microsoftwindows_server_20h2Match10.0.0
OR
microsoftwindows_server_2016Match10.0.0
OR
microsoftwindows_server_2016Match10.0.0
OR
microsoftwindows_server_2008_sp2Match6.0.0sp2
OR
microsoftwindows_server_2008_sp2Match6.0.0sp2
OR
microsoftwindows_server_2008_sp2Match6.0.0sp2
OR
microsoftwindows_server_2008_r2_sp1Match6.1.0sp1
OR
microsoftwindows_server_2008_r2_sp1Match6.0.0sp1
OR
microsoftwindows_server_2012Match6.2.0
OR
microsoftwindows_server_2012Match6.2.0
OR
microsoftwindows_server_2012_r2Match6.3.0
OR
microsoftwindows_server_2012_r2Match6.3.0
VendorProductVersionCPE
microsoftwindows_server_201910.0.0cpe:2.3:o:microsoft:windows_server_2019:10.0.0:*:*:*:*:*:*:*
microsoftwindows_server_201910.0.0cpe:2.3:o:microsoft:windows_server_2019:10.0.0:*:*:*:*:*:*:*
microsoftwindows_server,_version_190910.0.0cpe:2.3:o:microsoft:windows_server,_version_1909:10.0.0:*:*:*:*:*:*:*
microsoftwindows_server_version_200410.0.0cpe:2.3:o:microsoft:windows_server_version_2004:10.0.0:*:*:*:*:*:*:*
microsoftwindows_server_20h210.0.0cpe:2.3:o:microsoft:windows_server_20h2:10.0.0:*:*:*:*:*:*:*
microsoftwindows_server_201610.0.0cpe:2.3:o:microsoft:windows_server_2016:10.0.0:*:*:*:*:*:*:*
microsoftwindows_server_201610.0.0cpe:2.3:o:microsoft:windows_server_2016:10.0.0:*:*:*:*:*:*:*
microsoftwindows_server_2008_sp26.0.0cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.0:sp2:*:*:*:*:*:*
microsoftwindows_server_2008_sp26.0.0cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.0:sp2:*:*:*:*:*:*
microsoftwindows_server_2008_sp26.0.0cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.0:sp2:*:*:*:*:*:*
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1-10 of 161

CNA 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 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 version 20H2",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_20H2:*:*:*:*:*:*:*:*"
    ],
    "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"
      }
    ]
  }
]

Social References

More

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.047 Low

EPSS

Percentile

92.6%