{
    "CVE_data_meta": {
        "ASSIGNER": "ics-cert@hq.dhs.gov",
        "DATE_PUBLIC": "2021-10-05T21:42:00.000Z",
        "ID": "CVE-2021-42540",
        "STATE": "PUBLIC",
        "TITLE": "Emerson WirelessHART Gateway"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "WirelessHART Gateway",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "1410",
                                            "version_value": "4.7.94"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "1410D",
                                            "version_value": "4.7.94"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "1420",
                                            "version_value": "4.7.94"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Emerson"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Amir Preminger of Claroty reported these vulnerabilities to CISA"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-123 Write-what-where Condition"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02",
                "refsource": "CONFIRM",
                "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Emerson recommends upgrading to v4.7.105 to address these vulnerabilities.\n\nUsers can visit the Emerson Gate Firmware site for and download instructions.\n\nIf affected users do not yet have a free Guardian account, please see the updated Emerson Gateway Firmware download process by following the link above and viewing the download guide."
        }
    ],
    "source": {
        "advisory": "https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02",
        "discovery": "UNKNOWN"
    }
}