{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2001-0183",
        "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": "ipfw and ip6fw in FreeBSD 4.2 and earlier allows remote attackers to bypass access restrictions by setting the ECE flag in a TCP packet, which makes the packet appear to be part of an established connection."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "2293",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/2293"
            },
            {
                "name": "L-029",
                "refsource": "CIAC",
                "url": "http://www.ciac.org/ciac/bulletins/l-029.shtml"
            },
            {
                "name": "20010125 ecepass - proof of concept code for FreeBSD ipfw bypass",
                "refsource": "BUGTRAQ",
                "url": "http://www.security-express.com/archives/bugtraq/2001-01/0424.html"
            },
            {
                "name": "ipfw-bypass-firewall(5998)",
                "refsource": "XF",
                "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/5998"
            },
            {
                "name": "FreeBSD-SA-01:08",
                "refsource": "FREEBSD",
                "url": "ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:08.ipfw.asc"
            },
            {
                "name": "1743",
                "refsource": "OSVDB",
                "url": "http://www.osvdb.org/1743"
            }
        ]
    }
}