{"cve":"CVE-2007-4430","nvd":{"published":"2007-08-20T19:17:00.000","modified":"2026-06-16T22:44:05.017","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Network%20Infrastructure&topic=WAN%2C%20Routing%20and%20Switching&CommCmd=MB%3Fcmd%3Ddisplay_location%26location%3D.1ddf7bc9","http://secunia.com/advisories/26798","http://www.cisco.com/en/US/products/products_security_response09186a00808bb91c.html","http://www.heise-security.co.uk/news/94526/","http://www.securityfocus.com/bid/25352"],"products":["cisco:cbos","cisco:cli","cisco:ids","cisco:ios","cisco:ios_xr"],"source":"nvd","synced_at":"2026-10-19T19:48:28.501292361+00:00"},"epss":{"cve":"CVE-2007-4430","score":0.13281,"percentile":0.96388,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}