{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2005-4440",
        "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": "The 802.1q VLAN protocol allows remote attackers to bypass network segmentation and spoof VLAN traffic via a message with two 802.1q tags, which causes the second tag to be redirected from a downstream switch after the first tag has been stripped, as demonstrated by Yersinia, aka \"double-tagging VLAN jumping attack.\""
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "20051219 Making unidirectional VLAN and PVLAN jumping bidirectional",
                "refsource": "BUGTRAQ",
                "url": "http://www.securityfocus.com/archive/1/419831/100/0/threaded"
            },
            {
                "name": "20051219 Making unidirectional VLAN and PVLAN jumping bidirectional",
                "refsource": "FULLDISC",
                "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2005-December/040333.html"
            },
            {
                "name": "20051219 Re: Making unidirectional VLAN and PVLAN jumping bidirectional",
                "refsource": "BUGTRAQ",
                "url": "http://www.securityfocus.com/archive/1/419834/100/0/threaded"
            }
        ]
    }
}