{
  "id": "CVE-2020-4492",
  "sourceIdentifier": "psirt@us.ibm.com",
  "published": "2020-08-31T13:15:10.997",
  "lastModified": "2020-08-31T16:50:01.157",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Spectrum Scale V5.0.0.0 through V5.0.4.3 and V4.2.0.0 through V4.2.3.21 could allow a local attacker to cause a denial of service crashing the kernel by sending a subset of ioctls on the device with invalid arguments. IBM X-Force ID: 181992."
    },
    {
      "lang": "es",
      "value": "IBM Spectrum Scale versiones V5.0.0.0 hasta V5.0.4.3 y versiones V4.2.0.0 hasta V4.2.3.21, podr\u00eda permitir a un atacante local causar una denegaci\u00f3n de servicio bloqueando el kernel por medio del env\u00edo de un subconjunto de ioctls sobre el dispositivo con argumentos no v\u00e1lidos. IBM X-Force ID: 181992"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV30": [
      {
        "source": "psirt@us.ibm.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 6.2,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 2.1
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-88"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.2.0.0",
              "versionEndIncluding": "4.2.3.21",
              "matchCriteriaId": "6E1B6552-CECC-4F3A-A785-B32048798C99"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.0.0.0",
              "versionEndIncluding": "5.0.4.3",
              "matchCriteriaId": "A2908F78-BC39-4C1B-A83F-AFCA284F7498"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/181992",
      "source": "psirt@us.ibm.com",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.ibm.com/support/pages/node/6324249",
      "source": "psirt@us.ibm.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}