CVE-2021-1669
Estado: ModificadaAlta (8.8)—
Windows Remote Desktop Security Feature Bypass Vulnerability
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.97%
- Percentil entre todas las CVEs puntuadas: 87
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (5)
CWE
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-1669",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-1669",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2024-11-19T15:11:48.380735Z"
}
}
],
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "secure@microsoft.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.8
},
{
"type": "Secondary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"cpes": [
"cpe:2.3:o:microsoft:windows_10_20H2:*:*:*:*:*:*:x86:*",
"cpe:2.3:o:microsoft:windows_10_20H2:*:*:*:*:*:*:arm64:*"
],
"vendor": "Microsoft",
"product": "Windows 10 Version 20H2",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"ARM64-based Systems"
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_20H2:*:*:*:*:*:*:*:*"
],
"vendor": "Microsoft",
"product": "Windows Server version 20H2",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"cpes": [
"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:*"
],
"vendor": "Microsoft",
"product": "Windows 10 Version 1803",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"x64-based Systems",
"ARM64-based Systems"
]
},
{
"cpes": [
"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:*"
],
"vendor": "Microsoft",
"product": "Windows 10 Version 1809",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"x64-based Systems",
"ARM64-based Systems"
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"
],
"vendor": "Microsoft",
"product": "Windows Server 2019",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"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:*"
],
"vendor": "Microsoft",
"product": "Windows 10 Version 1909",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"x64-based Systems",
"ARM64-based Systems"
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*"
],
"vendor": "Microsoft",
"product": "Windows Server, version 1909 (Server Core installation)",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*"
],
"vendor": "Microsoft",
"product": "Windows 10 Version 2004",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"ARM64-based Systems",
"x64-based Systems"
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*"
],
"vendor": "Microsoft",
"product": "Windows Server version 2004",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*",
"cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*"
],
"vendor": "Microsoft",
"product": "Windows 10 Version 1507",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"x64-based Systems"
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*",
"cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*"
],
"vendor": "Microsoft",
"product": "Windows 10 Version 1607",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"x64-based Systems"
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*"
],
"vendor": "Microsoft",
"product": "Windows Server 2016",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*"
],
"vendor": "Microsoft",
"product": "Windows Server 2016 (Server Core installation)",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:remote_desktop:-:*:*:*:*:mac:*:*"
],
"vendor": "Microsoft",
"product": "Microsoft Remote Desktop for Mac",
"versions": [
{
"status": "affected",
"version": "1.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"Unknown"
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:remote_desktop:-:*:*:*:*:ios:*:*"
],
"vendor": "Microsoft",
"product": "Microsoft Remote Desktop for IoS",
"versions": [
{
"status": "affected",
"version": "1.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"Unknown"
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:remote_desktop:-:*:*:*:*:windows:*:*"
],
"vendor": "Microsoft",
"product": "Remote Desktop client for Windows Desktop",
"versions": [
{
"status": "affected",
"version": "1.2.0.0",
"lessThan": "publication",
"versionType": "custom"
}
],
"platforms": [
"Unknown"
]
}
]
}
],
"published": "2021-01-12T20:15:32.040",
"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1669",
"source": "secure@microsoft.com"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1669",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Windows Remote Desktop Security Feature Bypass Vulnerability"
},
{
"lang": "es",
"value": "Una Vulnerabilidad de Omisión de la Característica de Seguridad de Windows Remote Desktop"
}
],
"lastModified": "2026-06-17T03:32:17.553",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:remote_desktop:-:*:*:*:*:-:*:*",
"vulnerable": true,
"matchCriteriaId": "8F849DBF-AA7C-4CE6-B746-B1982E1AB2CB"
},
{
"criteria": "cpe:2.3:a:microsoft:remote_desktop:-:*:*:*:*:android:*:*",
"vulnerable": true,
"matchCriteriaId": "4BD1EB79-7ABA-4E80-A54E-5E9B87731F90"
},
{
"criteria": "cpe:2.3:a:microsoft:remote_desktop_client:-:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "05B5E1F9-B1CF-443F-8687-9DEA82C71613"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "21540673-614A-4D40-8BD7-3F07723803B0"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9E2C378B-1507-4C81-82F6-9F599616845A"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7CB85C75-4D35-480E-843D-60579EC75FCB"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6B8F3DD2-A145-4AF1-8545-CC42892DA3D1"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E9273B95-20ED-4547-B0A8-95AD15B30372"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AAE74AF3-C559-4645-A6C0-25C3D647AAC8"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4A190388-AA82-4504-9D5A-624F23268C9F"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C253A63F-03AB-41CB-A03A-B2674DEA98AA"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0B60D940-80C7-49F0-8F4E-3F99AC15FA82"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com"
}