{"cve":"CVE-2005-4436","nvd":{"published":"2005-12-21T01:03:00.000","modified":"2026-06-16T22:18:47.610","status":"Modified","description":"Extended Interior Gateway Routing Protocol (EIGRP) 1.2, as implemented in Cisco IOS after 12.3(2), 12.3(3)B, and 12.3(2)T and other products, allows remote attackers to cause a denial of service by sending a \"spoofed neighbor announcement\" with (1) mismatched k values or (2) \"goodbye message\" Type-Length-Value (TLV).","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://lists.grok.org.uk/pipermail/full-disclosure/2005-December/040330.html","http://marc.info/?l=full-disclosure&m=113504451523186&w=2","http://securitytracker.com/id?1015382","http://www.securityfocus.com/archive/1/419898/100/0/threaded","http://www.securityfocus.com/bid/15978"],"products":[],"source":"nvd","synced_at":"2026-10-19T19:40:09.211843075+00:00"},"epss":{"cve":"CVE-2005-4436","score":0.02097,"percentile":0.81676,"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."]}