{"id":"CVE-2007-4430","aliases":["EUVD-2007-4413","GHSA-xw39-hmhj-f95j"],"status":"published","title":"Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to...","description":"Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service (device restart and BGP routing table rebuild) via certain regular expressions in a \"show ip bgp regexp\" command.  NOTE: unauthenticated remote attacks are possible in environments with anonymous telnet and Looking Glass access.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.13281,"percentile":0.96412,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2007-08-20T19:00:00Z","modified":"2026-06-16T22:44:05Z","exploits":[{"source":"exploitdb","id":"EDB-30506","title":"Cisco IOS 12.3 - Show IP BGP Regexp Remote Denial of Service","type":"dos","platform":"hardware","date":"2007-08-17","verified":true,"url":"https://www.exploit-db.com/exploits/30506"}],"products":[{"vendor":"cisco","product":"cbos"},{"vendor":"cisco","product":"cli"},{"vendor":"cisco","product":"ids"},{"vendor":"cisco","product":"ios"},{"vendor":"cisco","product":"ios_xr"}],"references":[{"url":"http://secunia.com/advisories/26798","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/25352","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securitytracker.com/id?1018685","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://puck.nether.net/pipermail/cisco-nsp/2007-August/043002.html","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.heise-security.co.uk/news/94526/","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://puck.nether.net/pipermail/cisco-nsp/2007-August/043010.html","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://forum.cisco.com/eforum/servlet/NetProf?page=netprof\u0026forum=Network%20Infrastructure\u0026topic=WAN%2C%20Routing%20and%20Switching\u0026CommCmd=MB%3Fcmd%3Ddisplay_location%26location%3D.1ddf7bc9","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.cisco.com/en/US/products/products_security_response09186a00808bb91c.html","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/3136","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-4430"},{"url":"http://www.heise-security.co.uk/news/94526"},{"url":"https://github.com/advisories/GHSA-xw39-hmhj-f95j"}],"sources":{"cve":[{"id":"CVE-2007-4430","description":"Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service (device restart and BGP routing table rebuild) via certain regular expressions in a \"show ip bgp regexp\" command.  NOTE: unauthenticated remote attacks are possible in environments with anonymous telnet and Looking Glass access.","status":"published","published":"2007-08-20T19:00:00Z","modified":"2024-08-07T14:53:55.84Z","updated_at":"2026-11-02T13:33:30.262137Z"}],"euvd":[{"id":"EUVD-2007-4413","description":"Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service (device restart and BGP routing table rebuild) via certain regular expressions in a \"show ip bgp regexp\" command.  NOTE: unauthenticated remote attacks are possible in environments with anonymous telnet and Looking Glass access.","status":"published","published":"2007-08-20T19:00:00Z","modified":"2024-08-07T14:53:55Z","updated_at":"2026-11-03T01:16:21.520411Z"}],"ghsa":[{"id":"GHSA-xw39-hmhj-f95j","title":"Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to...","description":"Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service (device restart and BGP routing table rebuild) via certain regular expressions in a \"show ip bgp regexp\" command.  NOTE: unauthenticated remote attacks are possible in environments with anonymous telnet and Looking Glass access.","status":"published","published":"2022-05-01T18:23:35Z","modified":"2025-04-09T03:46:27Z","cwes":["CWE-20"],"updated_at":"2026-11-02T15:00:55.004058Z"}],"nvd":[{"id":"CVE-2007-4430","description":"Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service (device restart and BGP routing table rebuild) via certain regular expressions in a \"show ip bgp regexp\" command.  NOTE: unauthenticated remote attacks are possible in environments with anonymous telnet and Looking Glass access.","status":"published","published":"2007-08-20T19:17:00Z","modified":"2026-06-16T22:44:05.017Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:19.102336Z"}]}}