{
  "id": "CVE-2018-7830",
  "sourceIdentifier": "cybersecurity@se.com",
  "published": "2018-11-30T19:29:00.547",
  "lastModified": "2018-12-28T17:32:33.407",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where a denial of service can occur for ~1 minute by sending a specially crafted HTTP request."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de neutralizaci\u00f3n incorrecta de secuencias CRLF en cabeceras HTTP (\"separaci\u00f3n de respuesta HTTP\") en los servidores web embebidos en todos los productos Modicon M340, Premium, Quantum PLCs y BMXNOR0200, donde puede ocurrir una denegaci\u00f3n de servicio (DoS) durante 1 minuto aproximadamente mediante el env\u00edo de una petici\u00f3n HTTP especialmente manipulada."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "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-113"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:schneider-electric:modicom_m340_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A53C0B78-6556-44B7-9546-75F48EDD87CB"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:schneider-electric:modicom_m340:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "7F3D3249-CD51-496E-AB39-79D53EB318F8"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:schneider-electric:modicom_premium_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AA79EF8E-C525-4CCB-AC21-F7493FA55BF7"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:schneider-electric:modicom_premium:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8BAD47C7-A8D1-44B3-9917-D5285E63F3B5"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:schneider-electric:modicom_quantum_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "62BAE494-82C9-4CC7-8149-37DD1ADA10F2"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:schneider-electric:modicom_quantum:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1B17B062-016A-45C2-A640-C8FD31E6E05F"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:schneider-electric:modicom_bmxnor0200h_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D99FE33D-BBA0-40B7-B79C-E276BF8353FB"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:schneider-electric:modicom_bmxnor0200h:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "8C420C7F-5B35-4775-8775-241FDD0B759C"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/",
      "source": "cybersecurity@se.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.tenable.com/security/research/tra-2018-38",
      "source": "cybersecurity@se.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    }
  ]
}