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CVE-2019-0821

Estado: ModificadaMedia (6.5)—

Se presenta una vulnerabilidad de divulgación de información en la manera en que el servidor SMB de Windows maneja ciertas peticiones, también se conoce como "Windows SMB Information Disclosure Vulnerability". Este ID de CVE es diferente de los CVE-2019-0703, CVE-2019-0704.

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 (8)

CWE

Referencias

JSON original (NVD)

Mostrar
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
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  "affected": [
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              "version": "2008 R2 for x64-based Systems Service Pack 1 (Core installation)"
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              "version": "2008 R2 for Itanium-Based Systems Service Pack 1"
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              "version": "2008 for 32-bit Systems Service Pack 2 (Core installation)"
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              "version": "2012"
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  ],
  "published": "2019-04-09T03:29:00.967",
  "references": [
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0821",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0821",
      "tags": [
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        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "value": "NVD-CWE-noinfo"
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  "descriptions": [
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      "value": "An information disclosure vulnerability exists in the way that the Windows SMB Server handles certain requests, aka 'Windows SMB Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0703, CVE-2019-0704."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de divulgación de información en la manera en que el servidor SMB de Windows maneja ciertas peticiones, también se conoce como \"Windows SMB Information Disclosure Vulnerability\". Este ID de CVE es diferente de los CVE-2019-0703, CVE-2019-0704."
    }
  ],
  "lastModified": "2026-06-17T02:08:58.790",
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}