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CVE-2021-3310

Estado: ModificadaAlta (7.8)—

Western Digital My Cloud OS 5 devices before 5.10.122 mishandle Symbolic Link Following on SMB and AFP shares. This can lead to code execution and information disclosure (by reading local files).

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)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-3310",
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          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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  "affected": [
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      "affectedData": [
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  "published": "2021-03-10T05:15:13.517",
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      "url": "https://www.westerndigital.com/support/productsecurity/wdc-21002-my-cloud-firmware-version-5-10-122",
      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "CWE-59"
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      "lang": "en",
      "value": "Western Digital My Cloud OS 5 devices before 5.10.122 mishandle Symbolic Link Following on SMB and AFP shares. This can lead to code execution and information disclosure (by reading local files)."
    },
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      "lang": "es",
      "value": "Los dispositivos Western Digital My Cloud OS 5 versiones anteriores a 5.10.122, manejan inapropiadamente recursos compartidos de Symbolic Link Following en SMB y AFP. Esto puede conllevar a una ejecución de código y divulgación de información (mediante la lectura de archivos locales)"
    }
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  "lastModified": "2026-06-17T04:04:55.107",
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