{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2020-17516",
        "ASSIGNER": "security@apache.org",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Apache Cassandra",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "2.1.0 to 2.1.22"
                                        },
                                        {
                                            "version_value": "2.2.0 to 2.2.19"
                                        },
                                        {
                                            "version_value": "3.0.0 to 3.0.23"
                                        },
                                        {
                                            "version_value": "3.11.0 to 3.11.9"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-290: Authentication Bypass by Spoofing"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "CONFIRM",
                "name": "http://mail-archives.apache.org/mod_mbox/cassandra-user/202102.mbox/%3c6E4340A5-D7BE-4D33-9EC5-3B505A626D8D@apache.org%3e",
                "url": "http://mail-archives.apache.org/mod_mbox/cassandra-user/202102.mbox/%3c6E4340A5-D7BE-4D33-9EC5-3B505A626D8D@apache.org%3e"
            },
            {
                "refsource": "MLIST",
                "name": "[cassandra-commits] 20210217 [jira] [Created] (CASSANDRA-16455) CVE-2020-17516 mitigation in 2.2.x branch",
                "url": "https://lists.apache.org/thread.html/rd84bec24907617bdb72f7ec907cd7437a0fd5a8886eb55aa84dd1eb8@%3Ccommits.cassandra.apache.org%3E"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20210521-0002/",
                "url": "https://security.netapp.com/advisory/ntap-20210521-0002/"
            },
            {
                "refsource": "MLIST",
                "name": "[cassandra-commits] 20210523 [jira] [Updated] (CASSANDRA-16455) CVE-2020-17516 mitigation in 2.2.x branch",
                "url": "https://lists.apache.org/thread.html/rcb16f36cafa184dd159e94033f87d0fc274c4752d467f3a09f2ceae4@%3Ccommits.cassandra.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[cassandra-commits] 20210915 [jira] [Updated] (CASSANDRA-16455) CVE-2020-17516 mitigation in 2.2.x branch",
                "url": "https://lists.apache.org/thread.html/r81243a412a37a22211754936a13856af07cc68a93d728c52807486e9@%3Ccommits.cassandra.apache.org%3E"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Apache Cassandra versions 2.1.0 to 2.1.22, 2.2.0 to 2.2.19, 3.0.0 to 3.0.23, and 3.11.0 to 3.11.9, when using 'dc' or 'rack' internode_encryption setting, allows both encrypted and unencrypted internode connections. A misconfigured node or a malicious user can use the unencrypted connection despite not being in the same rack or dc, and bypass mutual TLS requirement."
            }
        ]
    }
}