{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@cisco.com",
        "ID": "CVE-2009-0635",
        "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": "Memory leak in the Cisco Tunneling Control Protocol (cTCP) encapsulation feature in Cisco IOS 12.4, when an Easy VPN (aka EZVPN) server is enabled, allows remote attackers to cause a denial of service (memory consumption and device crash) via a sequence of TCP packets."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml",
                "refsource": "CONFIRM",
                "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml"
            },
            {
                "name": "20090325 Cisco IOS cTCP Denial of Service Vulnerability",
                "refsource": "CISCO",
                "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90459.shtml"
            },
            {
                "name": "34438",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/34438"
            },
            {
                "name": "34246",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/34246"
            },
            {
                "name": "ios-ctcp-dos(49417)",
                "refsource": "XF",
                "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/49417"
            },
            {
                "name": "1021895",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id?1021895"
            },
            {
                "name": "ADV-2009-0851",
                "refsource": "VUPEN",
                "url": "http://www.vupen.com/english/advisories/2009/0851"
            }
        ]
    }
}