« Volver al listado

CVE-2020-16891

Estado: ModificadaAlta (8.8)—

Se presenta una vulnerabilidad de ejecución de código remota cuando Windows Hyper-V en un servidor host presenta un fallo al comprobar apropiadamente la entrada de un usuario autenticado en un sistema operativo invitado, también se conoce como "Windows Hyper-V Remote Code Execution Vulnerability"

CVSS

Probabilidad de explotación (EPSS)

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 (7)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-16891",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secure@microsoft.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 2
      },
      {
        "type": "Secondary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 2
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "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": [
            "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_1803:*:*:*:*:*:*:x64:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1803",
          "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 1809",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-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_server_2019:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows Server 2019 (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_1909:*:*:*:*:*:*:x64:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1909",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-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_10:1709:*:*:*:*:*:*:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1709",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1903 for x64-based Systems",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "Unknown"
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows Server, version 1903 (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_1507:*:*:*:*:*:*:x64:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1507",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "cpes": [
            "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": [
            "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:o:microsoft:windows_7:*:sp1:*:*:*:*:x64:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows 7 Service Pack 1",
          "versions": [
            {
              "status": "affected",
              "version": "6.1.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x64:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows 8.1",
          "versions": [
            {
              "status": "affected",
              "version": "6.3.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x86:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows Server 2008  Service Pack 2",
          "versions": [
            {
              "status": "affected",
              "version": "6.0.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x86:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows Server 2008 Service Pack 2 (Server Core installation)",
          "versions": [
            {
              "status": "affected",
              "version": "6.0.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows Server 2008 R2 Service Pack 1",
          "versions": [
            {
              "status": "affected",
              "version": "6.1.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows Server 2008 R2 Service Pack 1 (Server Core installation)",
          "versions": [
            {
              "status": "affected",
              "version": "6.0.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows Server 2012",
          "versions": [
            {
              "status": "affected",
              "version": "6.2.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows Server 2012 (Server Core installation)",
          "versions": [
            {
              "status": "affected",
              "version": "6.2.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows Server 2012 R2",
          "versions": [
            {
              "status": "affected",
              "version": "6.3.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*"
          ],
          "vendor": "Microsoft",
          "product": "Windows Server 2012 R2 (Server Core installation)",
          "versions": [
            {
              "status": "affected",
              "version": "6.3.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x64-based Systems"
          ]
        }
      ]
    }
  ],
  "published": "2020-10-16T23:15:13.040",
  "references": [
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16891",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16891",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "<p>A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating system that could cause the Hyper-V host operating system to execute arbitrary code.</p>\n<p>An attacker who successfully exploited the vulnerability could execute arbitrary code on the host operating system.</p>\n<p>The security update addresses the vulnerability by correcting how Hyper-V validates guest operating system user input.</p>"
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de ejecución de código remota cuando Windows Hyper-V en un servidor host presenta un fallo al comprobar apropiadamente la entrada de un usuario autenticado en un sistema operativo invitado, también se conoce como \"Windows Hyper-V Remote Code Execution Vulnerability\""
    }
  ],
  "lastModified": "2026-06-17T02:58:12.393",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "084984D5-D241-497B-B118-50C6C1EAD468"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "897A48D7-FCA1-4560-AFBB-718AF19BA3A2"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "1B3308A0-1699-4A4A-8D6B-AB4E4C825C95"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "1981BA0D-0920-40C0-8A6A-5D5A1B221560"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "6CF580BA-6938-40F6-9D86-F43044A6BACA"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "2487AF09-F003-482A-BD42-31F6AEAA033F"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "61F0792D-7587-4297-8EE7-D4DC3A30EE84"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "09D9A720-8D3C-4699-AC57-CB4531E5BFEB"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:-:*:*:-:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "542662D0-9100-457F-ABDD-D1DFF1A085AC"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:-:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "9D654D3A-6A99-4904-8B37-E52E80F7C85A"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:-:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "710261F6-84AA-41E0-8D21-227CC2E556CF"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*",
              "vulnerable": true,
              "matchCriteriaId": "AF07A81D-12E5-4B1D-BFF9-C8D08C32FF4F"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:-:*:-:*",
              "vulnerable": true,
              "matchCriteriaId": "44A1A867-3DAC-4C42-A091-E07B6672EE6F"
            },
            {
              "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_2016:1903:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5B921FDB-8E7D-427E-82BE-4432585080CF"
            },
            {
              "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"
}