cvelist/2021/35xxx/CVE-2021-35533.json

{
    "CVE_data_meta": {
        "ASSIGNER": "cybersecurity@hitachienergy.com",
        "DATE_PUBLIC": "2021-11-17T14:00:00.000Z",
        "ID": "CVE-2021-35533",
        "STATE": "PUBLIC",
        "TITLE": "Specially Crafted IEC 60870-5-104 Packet Vulnerability in RTU500 series"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "RTU500 series",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "CMU Firmware version 12.0",
                                            "version_value": "12.0.*"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "CMU Firmware version 12.2",
                                            "version_value": "12.2.*"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "CMU Firmware version 12.4",
                                            "version_value": "12.4.*"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Hitachi Energy"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Improper Input Validation vulnerability in the APDU parser in the Bidirectional Communication Interface (BCI) IEC 60870-5-104 function of Hitachi Energy RTU500 series allows an attacker to cause the receiving RTU500 CMU of which the BCI is enabled to reboot when receiving a specially crafted message. By default, BCI IEC 60870-5-104 function is disabled (not configured). This issue affects: Hitachi Energy RTU500 series CMU Firmware version 12.0.* (all versions); CMU Firmware version 12.2.* (all versions); CMU Firmware version 12.4.* (all versions)."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "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"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-20 Improper Input Validation"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://search.abb.com/library/Download.aspx?DocumentID=8DBD000063&LanguageCode=en&DocumentPartId=&Action=Launch",
                "refsource": "CONFIRM",
                "url": "https://search.abb.com/library/Download.aspx?DocumentID=8DBD000063&LanguageCode=en&DocumentPartId=&Action=Launch"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "- Disable BCI IEC 60870-5-104 function by configuration if it is not used.\n- Update to RTU500 series CMU Firmware version 12.6.5.0 or later (e.g., RTU500 CMU Firmware version 12.7.* or CMU Firmware version 13.2.* or later).\n"
        }
    ],
    "source": {
        "discovery": "INTERNAL"
    },
    "work_around": [
        {
            "lang": "eng"
        }
    ]
}