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CVE-2020-5347

Estado: ModificadaAlta (7.5)—

Dell EMC Isilon OneFS versions 8.2.2 and earlier contain a denial of service vulnerability. SmartConnect had an error condition that may be triggered to loop, using CPU and potentially preventing other SmartConnect DNS responses.

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)

Dell — EMC Isilon Onefs

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-5347",
  "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
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    "cvssMetricV31": [
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          "baseScore": 5.3,
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "vendor": "Dell",
          "product": "Isilon OneFS",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
              "lessThan": "8.2.2",
              "versionType": "custom"
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  ],
  "published": "2020-04-04T00:15:23.793",
  "references": [
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      "url": "https://www.dell.com/support/security/en-us/details/542190/DSA-2020-054-Dell-EMC-Isilon-OneFS-Security-Update-for-DNS-Protocol-Vulnerabilities",
      "tags": [
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      "source": "security_alert@emc.com"
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      "url": "https://www.dell.com/support/security/en-us/details/542190/DSA-2020-054-Dell-EMC-Isilon-OneFS-Security-Update-for-DNS-Protocol-Vulnerabilities",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
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      "description": [
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  "descriptions": [
    {
      "lang": "en",
      "value": "Dell EMC Isilon OneFS versions 8.2.2 and earlier contain a denial of service vulnerability. SmartConnect had an error condition that may be triggered to loop, using CPU and potentially preventing other SmartConnect DNS responses."
    },
    {
      "lang": "es",
      "value": "Dell EMC Isilon OneFS versiones 8.2.2 y anteriores, contienen una vulnerabilidad de denegación de servicio. SmartConnect presentaba una condición de error que puede ser activada para un bucle, usando la CPU y potencialmente impidiendo otras respuestas DNS de SmartConnect."
    }
  ],
  "lastModified": "2026-06-17T03:21:19.380",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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}