{"id":"CVE-2007-2688","aliases":["EUVD-2007-2680","GHSA-v42f-h49w-98mp"],"status":"published","title":"The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly...","description":"The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly handle certain full-width and half-width Unicode character encodings, which might allow remote attackers to evade detection of HTTP traffic.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02976,"percentile":0.87353,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-05-16T01:00:00Z","modified":"2026-06-16T22:40:07Z","products":[{"vendor":"cisco","product":"ios"},{"vendor":"cisco","product":"ips_sensor_software"}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5465","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.osvdb.org/35336","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/739224","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"http://www.vupen.com/english/advisories/2007/1803","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securitytracker.com/id?1018053","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.gamasec.net/english/gs07-01.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://secunia.com/advisories/25285","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id?1018054","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/23980","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.cisco.com/en/US/products/products_security_response09186a008083f82e.html","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/34277","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/468633/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-2688"},{"url":"https://github.com/advisories/GHSA-v42f-h49w-98mp"}],"sources":{"cve":[{"id":"CVE-2007-2688","description":"The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly handle certain full-width and half-width Unicode character encodings, which might allow remote attackers to evade detection of HTTP traffic.","status":"published","published":"2007-05-16T01:00:00Z","modified":"2024-08-07T13:49:57.193Z","updated_at":"2026-11-02T13:32:34.372976Z"}],"euvd":[{"id":"EUVD-2007-2680","description":"The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly handle certain full-width and half-width Unicode character encodings, which might allow remote attackers to evade detection of HTTP traffic.","status":"published","published":"2007-05-16T01:00:00Z","modified":"2024-08-07T13:49:57Z","updated_at":"2026-11-03T01:38:20.04441Z"}],"ghsa":[{"id":"GHSA-v42f-h49w-98mp","title":"The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly...","description":"The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly handle certain full-width and half-width Unicode character encodings, which might allow remote attackers to evade detection of HTTP traffic.","status":"published","published":"2022-05-01T18:06:07Z","modified":"2023-01-31T05:03:58Z","updated_at":"2026-11-02T14:48:34.878158Z"}],"nvd":[{"id":"CVE-2007-2688","description":"The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly handle certain full-width and half-width Unicode character encodings, which might allow remote attackers to evade detection of HTTP traffic.","status":"published","published":"2007-05-16T01:19:00Z","modified":"2026-06-16T22:40:07.283Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:15.696607Z"}]}}
