« Volver al listado

CVE-2019-0811

Estado: ModificadaAlta (7.5)—

Existe una vulnerabilidad de denegación de servicio Windows DNS Server cuando no procesa adecuadamente consultas DNS, también se conoce como 'Windows DNS Server Denial of Service 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 (3)

Microsoft — Windows Server 2012Microsoft — Windows Server 2016Microsoft — Windows Server 2019

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-0811",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Windows Server",
          "versions": [
            {
              "status": "affected",
              "version": "2012 R2"
            },
            {
              "status": "affected",
              "version": "2012 R2 (Core installation)"
            },
            {
              "status": "affected",
              "version": "2016"
            },
            {
              "status": "affected",
              "version": "2016  (Core installation)"
            },
            {
              "status": "affected",
              "version": "version 1803  (Core Installation)"
            },
            {
              "status": "affected",
              "version": "2019"
            },
            {
              "status": "affected",
              "version": "2019  (Core installation)"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server, version 1903 (Server Core installation)",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-07-15T19:15:15.497",
  "references": [
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0811",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0811",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-19"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A denial of service vulnerability exists in Windows DNS Server when it fails to properly handle DNS queries, aka 'Windows DNS Server Denial of Service Vulnerability'."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de denegación de servicio Windows DNS Server cuando no procesa adecuadamente consultas DNS, también se conoce como  'Windows DNS Server Denial of Service Vulnerability'."
    }
  ],
  "lastModified": "2026-06-17T02:08:57.387",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E"
            },
            {
              "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_2016:1803:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CAACE735-003E-4ACB-A82E-C0CF97D7F013"
            },
            {
              "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_2019:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}