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CVE-2021-31187

Estado: ModificadaAlta (7.8)—

Una vulnerabilidad de Escalada de Privilegios de Windows WalletService

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 (1)

Microsoft — Windows 10

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-31187",
  "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": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/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": 1.8
      },
      {
        "type": "Secondary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/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": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
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            "cpe:2.3:o:microsoft:windows_10_1803:10.0.17134.2207:*:*:*:*:*:arm64:*"
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          "vendor": "Microsoft",
          "product": "Windows 10 Version 1803",
          "versions": [
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              "version": "10.0.0",
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          "vendor": "Microsoft",
          "product": "Windows 10 Version 1909",
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              "version": "10.0.0",
              "lessThan": "10.0.18363.1556",
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            "ARM64-based Systems"
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        },
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          "vendor": "Microsoft",
          "product": "Windows 10 Version 2004",
          "versions": [
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              "status": "affected",
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            "ARM64-based Systems",
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          "vendor": "Microsoft",
          "product": "Windows 10 Version 20H2",
          "versions": [
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              "version": "10.0.0",
              "lessThan": "10.0.19042.982",
              "versionType": "custom"
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          "platforms": [
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        },
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          "vendor": "Microsoft",
          "product": "Windows 10 Version 1507",
          "versions": [
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              "status": "affected",
              "version": "10.0.0",
              "lessThan": "10.0.10240.18931",
              "versionType": "custom"
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          ],
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ]
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          "cpes": [
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          ],
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1607",
          "versions": [
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              "status": "affected",
              "version": "10.0.0",
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          "platforms": [
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            "x64-based Systems"
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  ],
  "published": "2021-05-11T19:15:10.017",
  "references": [
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31187",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-571/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31187",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-571/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Windows WalletService Elevation of Privilege Vulnerability"
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Escalada de Privilegios de Windows WalletService"
    }
  ],
  "lastModified": "2026-06-17T03:51:24.800",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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  "sourceIdentifier": "secure@microsoft.com"
}