{"cve":"CVE-2005-1802","nvd":{"published":"2005-05-27T04:00:00.000","modified":"2026-06-16T22:13:43.047","status":"Modified","description":"Nortel VPN Router (aka Contivity) allows remote attackers to cause a denial of service (crash) via an IPsec IKE packet with a malformed ISAKMP header.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://securitytracker.com/id?1014068","http://www.nta-monitor.com/news/vpn-flaws/nortel/vpn-router-dos/","http://www.securityfocus.com/archive/1/399423","http://www.securityfocus.com/bid/13792","http://securitytracker.com/id?1014068"],"products":["nortel:contivity","nortel:vpn_router_1010","nortel:vpn_router_1050","nortel:vpn_router_1100","nortel:vpn_router_1700","nortel:vpn_router_1740","nortel:vpn_router_2700","nortel:vpn_router_5000","nortel:vpn_router_600"],"source":"nvd","synced_at":"2026-10-19T19:39:29.870204089+00:00"},"epss":{"cve":"CVE-2005-1802","score":0.01591,"percentile":0.75677,"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."]}