{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2014-9721",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "libzmq before 4.0.6 and 4.1.x before 4.1.1 allows remote attackers to conduct downgrade attacks and bypass ZMTP v3 protocol security mechanisms via a ZMTP v2 or earlier header."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/zeromq/zeromq4-x/commit/b6e3e0f601e2c1ec1f3aac880ed6a3fe63043e51",
                "refsource": "CONFIRM",
                "url": "https://github.com/zeromq/zeromq4-x/commit/b6e3e0f601e2c1ec1f3aac880ed6a3fe63043e51"
            },
            {
                "name": "DSA-3255",
                "refsource": "DEBIAN",
                "url": "http://www.debian.org/security/2015/dsa-3255"
            },
            {
                "name": "FEDORA-2015-8635",
                "refsource": "FEDORA",
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-May/159176.html"
            },
            {
                "name": "openSUSE-SU-2015:1028",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-updates/2015-06/msg00018.html"
            },
            {
                "name": "https://github.com/zeromq/libzmq/issues/1273",
                "refsource": "CONFIRM",
                "url": "https://github.com/zeromq/libzmq/issues/1273"
            }
        ]
    }
}