cve-2021-33771
Vulnerability from cvelistv5
Published
2021-07-14 17:53
Modified
2024-08-03 23:58
Summary
Windows Kernel Elevation of Privilege Vulnerability
Impacted products
Vendor Product Version
Microsoft Windows Server 2019 Version: 10.0.0   < 10.0.17763.2061
    cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2061:*:*:*:*:*:*:*
Microsoft Windows Server 2019 (Server Core installation) Version: 10.0.0   < 10.0.17763.2061
    cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2061:*:*:*:*:*:*:*
Microsoft Windows 10 Version 1909 Version: 10.0.0   < 10.0.18363.1679
    cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1679:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1679:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_10_1809:10.0.18363.1679:*:*:*:*:*:x64:*
Microsoft Windows 10 Version 21H1 Version: 10.0.0   < 10.0.19043.1110
    cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1110:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1110:*:*:*:*:*:arm64:*
    cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1110:*:*:*:*:*:x86:*
Microsoft Windows 10 Version 2004 Version: 10.0.0   < 10.0.19041.1110
    cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1110:*:*:*:*:*:x64:*
Microsoft Windows Server version 2004 Version: 10.0.0   < 10.0.19041.1110
    cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1110:*:*:*:*:*:*:*
Microsoft Windows 10 Version 20H2 Version: 10.0.0   < 10.0.19042.1110
    cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1110:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1110:*:*:*:*:*:arm64:*
Microsoft Windows Server version 20H2 Version: 10.0.0   < 10.0.19042.1110
    cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1110:*:*:*:*:*:*:*
Microsoft Windows 10 Version 1507 Version: 10.0.0   < 10.0.10240.19003
    cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.19003:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.19003:*:*:*:*:*:x64:*
Microsoft Windows 10 Version 1607 Version: 10.0.0   < 10.0.14393.4530
    cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4530:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4530:*:*:*:*:*:x64:*
Microsoft Windows Server 2016 Version: 10.0.0   < 10.0.14393.4530
    cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4530:*:*:*:*:*:*:*
Microsoft Windows Server 2016 (Server Core installation) Version: 10.0.0   < 10.0.14393.4530
    cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4530:*:*:*:*:*:*:*
Microsoft Windows 8.1 Version: 6.3.0   < 6.3.9600.20069
    cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20069:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20069:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_rt_8.1:6.3.9600.20069:*:*:*:*:*:*:*
Microsoft Windows Server 2012 R2 Version: 6.3.0   < 6.3.9600.20069
    cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20069:*:*:*:*:*:x64:*
Microsoft Windows Server 2012 R2 (Server Core installation) Version: 6.3.0   < 6.3.9600.20069
    cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20069:*:*:*:*:*:x64:*
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2021-11-03

Due date: 2021-11-17

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-33771

Show details on NVD website


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      "cveID": "CVE-2021-33771",
      "cwes": "[\"CWE-119\"]",
      "dateAdded": "2021-11-03",
      "dueDate": "2021-11-17",
      "knownRansomwareCampaignUse": "Unknown",
      "notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-33771",
      "product": "Windows",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation.",
      "vendorProject": "Microsoft",
      "vulnerabilityName": "Microsoft Windows Kernel Privilege Escalation Vulnerability"
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Este ID de CVE es diferente de CVE-2021-31979, 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Advisory\"]},{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33771\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}"
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.