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CVE-2020-4217

Status: ModifiedHigh (7.5)—

The IBM Spectrum Scale 4.2 and 5.0 file system component is affected by a denial of service security vulnerability. An attacker can force the Spectrum Scale mmfsd/mmsdrserv daemons to unexpectedly exit, impacting the functionality of the Spectrum Scale cluster and the availability of file systems managed by Spectrum Scale. IBM X-Force ID: 175067.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

IBM — Spectrum Scale

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2020-4217",
  "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": [
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        "type": "Secondary",
        "source": "psirt@us.ibm.com",
        "cvssData": {
          "scope": "UNCHANGED",
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          "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
      }
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    "cvssMetricV31": [
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        "type": "Primary",
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  "affected": [
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      "affectedData": [
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          "vendor": "IBM",
          "product": "Spectrum Scale",
          "versions": [
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              "version": "5.0"
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            {
              "status": "affected",
              "version": "4.2"
            }
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        }
      ]
    }
  ],
  "published": "2020-03-09T15:15:11.927",
  "references": [
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/175067",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://www.ibm.com/support/pages/node/5693463",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/175067",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://www.ibm.com/support/pages/node/5693463",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-754"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The IBM Spectrum Scale 4.2 and 5.0 file system component is affected by a denial of service security vulnerability. An attacker can force the Spectrum Scale mmfsd/mmsdrserv daemons to unexpectedly exit, impacting the functionality of the Spectrum Scale cluster and the availability of file systems managed by Spectrum Scale. IBM X-Force ID: 175067."
    },
    {
      "lang": "es",
      "value": "El componente file system de IBM Spectrum Scale versiones 4.2 y 5.0, esta afectado por una vulnerabilidad de seguridad de denegación de servicio. Un atacante puede obligar a los demonios mmfsd/mmsdrserv de Spectrum Scale a salir inesperadamente, afectando la funcionalidad del clúster de Spectrum Scale y la disponibilidad de los sistemas de archivos administrados por Spectrum Scale. ID de IBM X-Force: 175067."
    }
  ],
  "lastModified": "2026-06-17T03:19:40.370",
  "configurations": [
    {
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        {
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          "cpeMatch": [
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              "versionEndIncluding": "4.2.3.19",
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  "sourceIdentifier": "psirt@us.ibm.com"
}