{"cve":"CVE-2008-3809","nvd":{"published":"2008-09-26T16:21:44.283","modified":"2026-06-16T22:56:34.960","status":"Modified","description":"Cisco IOS 12.0 through 12.4 on Gigabit Switch Router (GSR) devices (aka 12000 Series routers) allows remote attackers to cause a denial of service (device crash) via a malformed Protocol Independent Multicast (PIM) packet.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://secunia.com/advisories/31990","http://tools.cisco.com/security/center/viewAlert.x?alertId=16638","http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01491.shtml","http://www.securityfocus.com/bid/31356","http://www.securitytracker.com/id?1020936"],"products":["cisco:ios"],"source":"nvd","synced_at":"2026-10-19T19:52:44.811608366+00:00"},"epss":{"cve":"CVE-2008-3809","score":0.02757,"percentile":0.86251,"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."]}