{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-20094",
        "ASSIGNER": "vulnreport@tenable.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Wibu-Systems CodeMeter",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 7.21a"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Uncaught Exception"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://www.tenable.com/security/research/tra-2021-24",
                "url": "https://www.tenable.com/security/research/tra-2021-24"
            },
            {
                "refsource": "MISC",
                "name": "https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-02.pdf",
                "url": "https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-02.pdf"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf",
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf"
            },
            {
                "refsource": "MISC",
                "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02",
                "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A denial of service vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to crash the CodeMeter Runtime Server."
            }
        ]
    }
}