{"cve":"CVE-2001-0402","nvd":{"published":"2001-06-18T04:00:00.000","modified":"2026-06-16T21:54:14.413","status":"Modified","description":"IPFilter 3.4.16 and earlier does not include sufficient session information in its cache, which allows remote attackers to bypass access restrictions by sending fragmented packets to a restricted port after sending unfragmented packets to an unrestricted port.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://archives.neohapsis.com/archives/freebsd/2001-04/0338.html","http://marc.info/?l=bugtraq&m=98679734015538&w=2","https://exchange.xforce.ibmcloud.com/vulnerabilities/6331","http://archives.neohapsis.com/archives/freebsd/2001-04/0338.html","http://marc.info/?l=bugtraq&m=98679734015538&w=2"],"products":["darren_reed:ipfilter","freebsd:freebsd","openbsd:openbsd"],"source":"nvd","synced_at":"2026-10-19T19:33:02.361923049+00:00"},"epss":{"cve":"CVE-2001-0402","score":0.02445,"percentile":0.84342,"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."]}