{"cve":"CVE-2009-2873","nvd":{"published":"2009-09-28T19:30:01.563","modified":"2026-06-16T23:10:24.190","status":"Modified","description":"Cisco IOS 12.0 through 12.4, when IP-based tunnels and the Cisco Express Forwarding feature are enabled, allows remote attackers to cause a denial of service (device reload) via malformed packets, aka Bug ID CSCsx70889.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://osvdb.org/58334","http://tools.cisco.com/security/center/viewAlert.x?alertId=18895","http://www.cisco.com/en/US/products/products_applied_mitigation_bulletin09186a0080af8113.html","http://www.cisco.com/en/US/products/products_security_advisory09186a0080af8115.shtml","http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep09.html"],"products":["cisco:ios"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-2873","score":0.01684,"percentile":0.76987,"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."]}