{
  "id": "CVE-2019-4620",
  "sourceIdentifier": "psirt@us.ibm.com",
  "published": "2020-01-28T19:15:13.217",
  "lastModified": "2020-01-31T18:03:45.157",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions caused by improper validation of environment variables. IBM X-Force ID: 168863."
    },
    {
      "lang": "es",
      "value": "las variables de entorno en IBM MQ Appliance. (CVE-2019-4620)\tIBM MQ Appliance versiones 8.0 y 9.0 LTS, podr\u00eda permitir a un atacante local omitir las restricciones de seguridad causadas por una comprobaci\u00f3n inapropiada de las variables de entorno. ID de IBM X-Force: 168863."
    }
  ],
  "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:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ],
    "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:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.4,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:mq_appliance:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "8.0.0.0",
              "versionEndExcluding": "8.0.0.14",
              "matchCriteriaId": "540183D8-751B-4442-9A2A-95D26AB8D23B"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:*",
              "versionStartIncluding": "9.1.0",
              "versionEndExcluding": "9.1.4",
              "matchCriteriaId": "6DC4569D-0B83-4E88-A05D-3226DCF65E59"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:mq_appliance:*:*:*:*:lts:*:*:*",
              "versionStartIncluding": "9.1.0.0",
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              "matchCriteriaId": "0AC72003-825A-4D5E-8012-E768CD8DFA3C"
            }
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        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/168863",
      "source": "psirt@us.ibm.com",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.ibm.com/support/pages/node/1125891",
      "source": "psirt@us.ibm.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}