{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2020-27222",
        "ASSIGNER": "security@eclipse.org",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "The Eclipse Foundation",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Eclipse Californium",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "[2.3.0, 2.6.0]"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In Eclipse Californium version 2.3.0 to 2.6.0, the certificate based (x509 and RPK) DTLS handshakes accidentally fails, because the DTLS server side sticks to a wrong internal state. That wrong internal state is set by a previous certificate based DTLS handshake failure with TLS parameter mismatch. The DTLS server side must be restarted to recover this. This allow clients to force a DoS."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-372: Incomplete Internal State Distinction"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=570844",
                "refsource": "CONFIRM",
                "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=570844"
            }
        ]
    }
}