{
    "containers": {
        "cna": {
            "title": "Windows Bluetooth Security Feature Bypass Vulnerability",
            "datePublic": "2021-01-12T08:00:00.000Z",
            "affected": [
                {
                    "vendor": "Microsoft",
                    "product": "Windows 10 Version 20H2",
                    "cpes": [
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                        "cpe:2.3:o:microsoft:windows_10_20H2:*:*:*:*:*:*:arm64:*"
                    ],
                    "platforms": [
                        "32-bit Systems",
                        "ARM64-based Systems"
                    ],
                    "versions": [
                        {
                            "version": "10.0.0",
                            "lessThan": "publication",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "Microsoft",
                    "product": "Windows Server version 20H2",
                    "cpes": [
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                    ],
                    "platforms": [
                        "x64-based Systems"
                    ],
                    "versions": [
                        {
                            "version": "10.0.0",
                            "lessThan": "publication",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "Microsoft",
                    "product": "Windows 10 Version 1803",
                    "cpes": [
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                        "cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:x64:*",
                        "cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:arm64:*"
                    ],
                    "platforms": [
                        "32-bit Systems",
                        "x64-based Systems",
                        "ARM64-based Systems"
                    ],
                    "versions": [
                        {
                            "version": "10.0.0",
                            "lessThan": "publication",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "Microsoft",
                    "product": "Windows 10 Version 1809",
                    "cpes": [
                        "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*",
                        "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*",
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                    ],
                    "platforms": [
                        "32-bit Systems",
                        "x64-based Systems",
                        "ARM64-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 10 Version 1909",
                    "cpes": [
                        "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:*"
                    ],
                    "platforms": [
                        "32-bit Systems",
                        "x64-based Systems",
                        "ARM64-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 10 Version 2004",
                    "cpes": [
                        "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*"
                    ],
                    "platforms": [
                        "32-bit Systems",
                        "ARM64-based Systems",
                        "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"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "value": "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.\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": "en-US"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "Security Feature Bypass",
                            "lang": "en-US",
                            "type": "Impact"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
                "shortName": "microsoft",
                "dateUpdated": "2024-10-08T16:17:35.308Z"
            },
            "references": [
                {
                    "name": "Windows Bluetooth Security Feature Bypass Vulnerability",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1638"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en-US",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "baseSeverity": "HIGH",
                        "baseScore": 7.7,
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C"
                    }
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T16:18:10.937Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1638"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-1638",
        "datePublished": "2021-01-12T19:41:56.000Z",
        "dateReserved": "2020-12-02T00:00:00.000Z",
        "dateUpdated": "2024-10-08T16:17:35.308Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}