{
  "id": "CVE-2019-19789",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2019-12-20T13:15:11.877",
  "lastModified": "2020-01-03T15:43:43.320",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "3S-Smart CODESYS SP Realtime NT before V2.3.7.28, CODESYS Runtime Toolkit 32 bit full before V2.4.7.54, and CODESYS PLCWinNT before V2.4.7.54 allow a NULL pointer dereference."
    },
    {
      "lang": "es",
      "value": "3S-Smart CODESYS SP Realtime NT versiones anteriores a V2.3.7.28, CODESYS Runtime Toolkit de 32 bits completo versiones anteriores a V2.4.7.54 y CODESYS PLCWinNT versiones anteriores a V2.4.7.54, permiten una desreferencia del puntero NULL."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "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-476"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.4.7.54",
              "matchCriteriaId": "483434B3-69DE-48D8-8335-592629DB4300"
            },
            {
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              "versionEndExcluding": "2.4.7.54",
              "matchCriteriaId": "6F380F64-022A-4E77-9D7E-88038D1C46A3"
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              "criteria": "cpe:2.3:a:codesys:sp_realtime_nt:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.3.7.28",
              "matchCriteriaId": "1DDA099D-A365-4F65-8B53-D10432D2936A"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12946&token=edd5d8e821edaf3189d36bb1cac1aa1bfc42351f&download=",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.codesys.com",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}