{"cve":"CVE-2002-0381","nvd":{"published":"2002-06-25T04:00:00.000","modified":"2026-06-16T21:57:19.717","status":"Modified","description":"The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block connections to broadcast addresses, which could allow remote attackers to bypass intended filters via packets with a unicast link layer address and an IP broadcast address.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["ftp://patches.sgi.com/support/free/security/advisories/20030604-01-I","http://cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137","http://online.securityfocus.com/archive/1/262733","http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022","http://www.iss.net/security_center/static/8485.php"],"products":["freebsd:freebsd","netbsd:netbsd","openbsd:openbsd"],"source":"nvd","synced_at":"2026-10-19T19:34:38.930894741+00:00"},"epss":{"cve":"CVE-2002-0381","score":0.01978,"percentile":0.80515,"date":"2026-11-01"},"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."]}