{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "065A43F6-B681-4E77-928F-21C7D0304E8F",
              "versionEndExcluding": "5.1.9.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "4D8FD9D9-F59F-470E-9F7F-CDDD80B0633C",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A1E8B350-5B42-4D18-B7A4-A232BC947727",
              "versionEndExcluding": "5.1.9.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "B8E03A25-B0B6-4BA2-80BC-52C16A6837E0",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5.1.9.1 that could cause denial of service when specific crafted requests are sent to the controller over HTTP."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de Comprobaci\u00f3n Inapropiada de Entrada en los controladores l\u00f3gicos Modicon M241/M251 versiones del firmware anteriores a V5.1.9.1, que podr\u00eda causar  una denegaci\u00f3n de servicio cuando peticiones espec\u00edficas dise\u00f1adas son enviadas al controlador a trav\u00e9s de HTTP"
    }
  ],
  "id": "CVE-2021-22699",
  "lastModified": "2024-11-21T05:50:29.250",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-05-26T20:15:08.863",
  "references": [
    {
      "source": "cybersecurity@se.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05"
    }
  ],
  "sourceIdentifier": "cybersecurity@se.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "cybersecurity@se.com",
      "type": "Primary"
    }
  ]
}