{
    "CVE_data_meta": {
        "ASSIGNER": "productsecurity@jci.com",
        "DATE_PUBLIC": "2021-09-10T06:01:00.000Z",
        "ID": "CVE-2021-27662",
        "STATE": "PUBLIC",
        "TITLE": "KT-1 Capture-replay"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "KT-1",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "all versions up to and including 3.01",
                                            "version_value": "3.01"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Johnson Controls"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Dr. Dave Burke"
        },
        {
            "lang": "eng",
            "value": "Anthony Connor"
        },
        {
            "lang": "eng",
            "value": "Harrison Spisak"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The KT-1 door controller is susceptible to replay or man-in-the-middle attacks where an attacker can record and replay TCP packets. This issue affects Johnson Controls KT-1 all versions up to and including 3.01"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-294: Authentication Bypass by Capture-replay"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories",
                "refsource": "CONFIRM",
                "url": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories"
            },
            {
                "name": "ICS-CERT Advisory",
                "refsource": "CERT",
                "url": "https://us-cert.gov/ics/advisories"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Upgrade the KT-1 controller to version 3.04 and upgrade EntraPass to version 8.40."
        }
    ],
    "source": {
        "discovery": "EXTERNAL"
    }
}