cve-2021-36942
Vulnerability from cvelistv5
Published
2021-08-12 18:12
Modified
2025-02-04 14:49
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C
Summary
Windows LSA Spoofing Vulnerability
References
secure@microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942Patch, Vendor Advisory
secure@microsoft.comhttps://www.kb.cert.org/vuls/id/405600Exploit, Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.kb.cert.org/vuls/id/405600Exploit, Third Party Advisory, US Government Resource
Impacted products
Vendor Product Version
Microsoft Windows Server 2019 Version: 10.0.0   < 10.0.17763.2114
    cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2114:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server 2019 (Server Core installation) Version: 10.0.0   < 10.0.17763.2114
    cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2114:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server version 2004 Version: 10.0.0   < 10.0.19041.1165
    cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1165:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server version 20H2 Version: 10.0.0   < 10.0.19042.1165
    cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1165:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server 2016 Version: 10.0.0   < 10.0.14393.4583
    cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4583:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server 2016 (Server Core installation) Version: 10.0.0   < 10.0.14393.4583
    cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4583:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server 2008 Service Pack 2 Version: 6.0.0   < 6.0.6003.21192
    cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21192:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) Version: 6.0.0   < 6.0.6003.21192
    cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21192:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21192:*:*:*:*:*:x86:*
 Create a notification for this product.
   Microsoft Windows Server 2008 Service Pack 2 Version: 6.0.0   < 6.0.6003.21192
    cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21192:*:*:*:*:*:x86:*
 Create a notification for this product.
   Microsoft Windows Server 2008 R2 Service Pack 1 Version: 6.1.0   < 6.1.7601.25685
    cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25685:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) Version: 6.0.0   < 6.1.7601.25685
    cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25685:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2012 Version: 6.2.0   < 6.2.9200.23435
    cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23435:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2012 (Server Core installation) Version: 6.2.0   < 6.2.9200.23435
    cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23435:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2012 R2 Version: 6.3.0   < 6.3.9600.20094
    cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20094:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2012 R2 (Server Core installation) Version: 6.3.0   < 6.3.9600.20094
    cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20094:*:*:*:*:*:x64:*
 Create a notification for this product.
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: Known

Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-36942

Show details on NVD website

To clipboard 

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      vulnrichment: {
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\"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-36942\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"CWE-noinfo Not enough information\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-04T14:49:10.146Z\"}}], \"cna\": {\"title\": \"Windows LSA Spoofing Vulnerability\", \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C\"}, \"scenarios\": [{\"lang\": \"en-US\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2114:*:*:*:*:*:*:*\"], \"vendor\": \"Microsoft\", \"product\": \"Windows Server 2019\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.0\", \"lessThan\": \"10.0.17763.2114\", \"versionType\": \"custom\"}], \"platforms\": [\"x64-based Systems\"]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2114:*:*:*:*:*:*:*\"], \"vendor\": \"Microsoft\", \"product\": \"Windows Server 2019 (Server Core installation)\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.0\", \"lessThan\": \"10.0.17763.2114\", \"versionType\": \"custom\"}], \"platforms\": [\"x64-based Systems\"]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1165:*:*:*:*:*:*:*\"], \"vendor\": \"Microsoft\", \"product\": \"Windows Server version 2004\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.0\", \"lessThan\": \"10.0.19041.1165\", \"versionType\": \"custom\"}], \"platforms\": [\"x64-based Systems\"]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1165:*:*:*:*:*:*:*\"], \"vendor\": \"Microsoft\", \"product\": \"Windows Server version 20H2\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.0\", 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         cveMetadata: "{\"cveId\": \"CVE-2021-36942\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-04T14:49:24.778Z\", \"dateReserved\": \"2021-07-19T00:00:00.000Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2021-08-12T18:12:29.000Z\", \"assignerShortName\": \"microsoft\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
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Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



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Sightings

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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.