{
  "GSD": {
    "alias": "CVE-2023-49955",
    "id": "GSD-2023-49955"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-49955"
      ],
      "details": "An issue was discovered in Dalmann OCPP.Core before 1.2.0 for OCPP (Open Charge Point Protocol) for electric vehicles. It does not validate the length of the chargePointVendor field in a BootNotification message, potentially leading to server instability and a denial of service when processing excessively large inputs. NOTE: the vendor\u0027s perspective is \"OCPP.Core is intended for use in a protected environment/network.\"",
      "id": "GSD-2023-49955",
      "modified": "2023-12-13T01:20:35.320756Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2023-49955",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
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              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "An issue was discovered in Dalmann OCPP.Core before 1.2.0 for OCPP (Open Charge Point Protocol) for electric vehicles. It does not validate the length of the chargePointVendor field in a BootNotification message, potentially leading to server instability and a denial of service when processing excessively large inputs. NOTE: the vendor\u0027s perspective is \"OCPP.Core is intended for use in a protected environment/network.\""
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/dallmann-consulting/OCPP.Core/issues/32",
            "refsource": "MISC",
            "url": "https://github.com/dallmann-consulting/OCPP.Core/issues/32"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:dallmann-consulting:open_charge_point_protocol:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1570FC53-9573-4F61-A082-9E51BE80961D",
                    "versionEndExcluding": "1.2.0",
                    "vulnerable": true
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                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "An issue was discovered in Dalmann OCPP.Core before 1.2.0 for OCPP (Open Charge Point Protocol) for electric vehicles. It does not validate the length of the chargePointVendor field in a BootNotification message, potentially leading to server instability and a denial of service when processing excessively large inputs. NOTE: the vendor\u0027s perspective is \"OCPP.Core is intended for use in a protected environment/network.\""
          },
          {
            "lang": "es",
            "value": "Se descubri\u00f3 un problema en Dalmann OCPP.Core anterior a 1.2.0 para OCPP (Protocolo de punto de carga abierto) para veh\u00edculos el\u00e9ctricos. No valida la longitud del campo chargePointVendor en un mensaje BootNotification, lo que puede provocar inestabilidad del servidor y denegaci\u00f3n de servicio al procesar entradas excesivamente grandes. NOTA: la perspectiva del proveedor es \"OCPP.Core est\u00e1 dise\u00f1ado para su uso en un entorno/red protegido\"."
          }
        ],
        "id": "CVE-2023-49955",
        "lastModified": "2023-12-13T15:20:11.417",
        "metrics": {
          "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"
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          ]
        },
        "published": "2023-12-07T13:15:07.690",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Exploit",
              "Issue Tracking",
              "Vendor Advisory"
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            "url": "https://github.com/dallmann-consulting/OCPP.Core/issues/32"
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        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Analyzed",
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  }
}