{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-3547",
        "ASSIGNER": "security@openvpn.net",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "OpenVPN 3 Core Library",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "3.6 and 3.6.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-305: Authentication Bypass by Primary Weakness"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements",
                "url": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements"
            },
            {
                "refsource": "MISC",
                "name": "https://community.openvpn.net/openvpn/wiki/CVE-2021-3547",
                "url": "https://community.openvpn.net/openvpn/wiki/CVE-2021-3547"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "OpenVPN 3 Core Library version 3.6 and 3.6.1 allows a man-in-the-middle attacker to bypass the certificate authentication by issuing an unrelated server certificate using the same hostname found in the verify-x509-name option in a client configuration."
            }
        ]
    }
}