{"cve":"CVE-2009-4873","nvd":{"published":"2010-05-26T18:30:01.500","modified":"2026-06-16T23:14:31.073","status":"Modified","description":"Stack-based buffer overflow in the HTTP server in Rhino Software Serv-U Web Client 9.0.0.5 allows remote attackers to cause a denial of service (server crash) or execute arbitrary code via a long Session cookie.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://secunia.com/advisories/37228","http://www.rangos.de/ServU-ADV.txt","http://www.securityfocus.com/bid/36895","http://www.vupen.com/english/advisories/2009/3116","http://secunia.com/advisories/37228"],"products":["rhinosoft:serv-u"],"source":"nvd","synced_at":"2026-10-19T19:56:26.512081652+00:00"},"epss":{"cve":"CVE-2009-4873","score":0.20553,"percentile":0.97517,"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."]}