{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-6711",
        "ASSIGNER": "cybersecurity@hitachienergy.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Vulnerability exists in SCI IEC 60870-5-104 and HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below. Specially crafted messages sent to the mentioned components are not validated properly and can result in buffer overflow and as final consequence to a reboot of an RTU500 CMU."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-20 Improper Input Validation",
                        "cweId": "CWE-20"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Hitachi Energy",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "RTU500 series CMU Firmware",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "12.0.1",
                                            "version_value": "12.0.14"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "12.2.1",
                                            "version_value": "12.2.11"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "12.4.1",
                                            "version_value": "12.4.11"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "12.6.1",
                                            "version_value": "12.6.9"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "12.7.1",
                                            "version_value": "12.7.6"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "13.2.1",
                                            "version_value": "13.2.6"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "13.4.1",
                                            "version_value": "13.4.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "13.5.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://publisher.hitachienergy.com/preview?DocumentId=8DBD000184&languageCode=en&Preview=true",
                "refsource": "MISC",
                "name": "https://publisher.hitachienergy.com/preview?DocumentId=8DBD000184&languageCode=en&Preview=true"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.1.0-dev"
    },
    "source": {
        "discovery": "UNKNOWN"
    },
    "impact": {
        "cvss": [
            {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
            }
        ]
    }
}