cvelist/2021/32xxx/CVE-2021-32980.json

{
    "CVE_data_meta": {
        "ASSIGNER": "ics-cert@hq.dhs.gov",
        "ID": "CVE-2021-32980",
        "STATE": "PUBLIC",
        "TITLE": "Automation Direct CLICK PLC CPU Modules Authentication Bypass Using an Alternate Path or Channel"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "CLICK PLC CPU Modules: C0-1x CPUs",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "3.00"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Automation Direct"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Irfan Ahmed and Adeen Ayub of Virginia Commonwealth University and Hyunguk Yoo of the University of New Orleans reported these vulnerabilities to Automation Direct."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 does not protect against additional software programming connections. An attacker can connect to the PLC while an existing connection is already active."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-288: Authentication Bypass Using an Alternate Path or Channel"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02",
                "refsource": "CONFIRM",
                "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Automation Direct reports these vulnerabilities are all mitigated by Version 3.00 and recommends users update software and firmware to the latest version.\n\nAutomation Direct also recommends users follow its security guidelines."
        }
    ],
    "source": {
        "advisory": "ICSA-21-166-02",
        "discovery": "EXTERNAL"
    }
}