{
    "CVE_data_meta": {
        "ASSIGNER": "ics-cert@hq.dhs.gov",
        "DATE_PUBLIC": "2021-12-21T22:51:00.000Z",
        "ID": "CVE-2021-44462",
        "STATE": "PUBLIC",
        "TITLE": "Horner Automation  Cscape EnvisionRV Improper Input Validation"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cscape EnvisionRV",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_value": "v4.50.3.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Horner Automation"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Michael Heinzl reported this vulnerability to CISA."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "This vulnerability can be exploited by parsing maliciously crafted project files with Horner Automation Cscape EnvisionRV v4.50.3.1 and prior. The issues result from the lack of proper validation of user-supplied data, which can result in reads and writes past the end of allocated data structures. User interaction is required to exploit this vulnerability as an attacker must trick a valid user to open a malicious HMI project file."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-20 Improper Input Validation"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-02",
                "refsource": "CONFIRM",
                "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-02"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Horner Automation recommends affected users update to the latest version of Cscape Envision RV (Version 4.60).\n\nUsers with questions regarding their specific software installations should contact their local Horner Automation service support team at either:\n    techsppt@heapg.com  (+1-317-916-4274), or\n    technical.support@horner-apg.com  (+353-(0)21-4321266 ext. 202) outside of the Americas\n"
        }
    ],
    "source": {
        "discovery": "EXTERNAL"
    }
}