CVE-2021-1684
Vulnerability from cvelistv5
Published
2021-01-12 19:42
Modified
2024-10-08 16:17
Severity ?
5.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Summary
Microsoft is aware of the "Impersonation in the Passkey Entry Protocol" vulnerability. For more information regarding the vulnerability, please see this statement from the Bluetooth SIG. To address the vulnerability, Microsoft has released a software update that will fail attempts to pair if the remote device exchanges a public key with the same X coordinate as the locally exchanged public key
References
secure@microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1684
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1684
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 20H2 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_10_20H2:*:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_20H2:*:*:*:*:*:*:arm64:*
 Create a notification for this product.
   Microsoft Windows Server version 20H2 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_20H2:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows 10 Version 1803 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:arm64:*
 Create a notification for this product.
   Microsoft Windows 10 Version 1809 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*
 Create a notification for this product.
   Microsoft Windows Server 2019 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server 2019 (Server Core installation) Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows 10 Version 1909 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server, version 1909 (Server Core installation) Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows 10 Version 2004 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server version 2004 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows 10 Version 1507 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows 10 Version 1607 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2016 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server 2016 (Server Core installation) Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows 8.1 Version: 6.3.0   < publication
    cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server 2012 R2 Version: 6.3.0   < publication
    cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2012 R2 (Server Core installation) Version: 6.3.0   < publication
    cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*
 Create a notification for this product.
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    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-1684\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2021-01-12T20:15:32.853\",\"lastModified\":\"2024-11-21T05:44:53.430\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Microsoft is aware of the \u0026quot;Impersonation in the Passkey Entry Protocol\u0026quot; vulnerability. For more information regarding the vulnerability, please see this\u202fstatement\u202ffrom the Bluetooth SIG.\\nTo address the vulnerability, Microsoft has released a software update that will fail attempts to pair if the remote device exchanges a public key with the same X coordinate as the locally exchanged public key\"},{\"lang\":\"es\",\"value\":\"Una Vulnerabilidad de Omisi\u00f3n de la Funcionalidad de Windows Bluetooth Security. Este ID de CVE es diferente de CVE-2021-1638, CVE-2021-1683\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N\",\"baseScore\":5.0,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.3,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":2.1,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"21540673-614A-4D40-8BD7-3F07723803B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9E2C378B-1507-4C81-82F6-9F599616845A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7CB85C75-4D35-480E-843D-60579EC75FCB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6B8F3DD2-A145-4AF1-8545-CC42892DA3D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E9273B95-20ED-4547-B0A8-95AD15B30372\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AAE74AF3-C559-4645-A6C0-25C3D647AAC8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E93068DB-549B-45AB-8E5C-00EB5D8B5CF8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C6CE5198-C498-4672-AF4C-77AB4BE06C5C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB18C4CE-5917-401E-ACF7-2747084FD36E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4A190388-AA82-4504-9D5A-624F23268C9F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C253A63F-03AB-41CB-A03A-B2674DEA98AA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B60D940-80C7-49F0-8F4E-3F99AC15FA82\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB79EE26-FC32-417D-A49C-A1A63165A968\"}]}]}],\"references\":[{\"url\":\"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1684\",\"source\":\"secure@microsoft.com\"},{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1684\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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