CVE-2002-0381

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"version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "20030604-01-I", "refsource": "SGI", "url": "ftp://patches.sgi.com/support/free/security/advisories/20030604-01-I"}, {"name": "20020317 TCP Connections to a Broadcast Address on BSD-Based Systems", "refsource": "BUGTRAQ", "url": "http://online.securityfocus.com/archive/1/262733"}, {"name": "4309", "refsource": "BID", "url": "http://www.securityfocus.com/bid/4309"}, {"name": 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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*", "matchCriteriaId": "2BCDB223-15E8-4E63-BB82-446AFBDE52F9", "versionEndIncluding": "4.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "36419DD6-0DB4-4BB6-A35F-D8FDB89402F1", "vulnerable": true}, {"criteria": "cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*", "matchCriteriaId": "CA3CDD3C-DBA6-4BA2-967D-AD746822F3CF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2002-0381", "lastModified": "2026-06-16T21:57:19.717", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2002-06-25T04:00:00.000", "references": [{"source": "cve@mitre.org", "url": "ftp://patches.sgi.com/support/free/security/advisories/20030604-01-I"}, {"source": "cve@mitre.org", "url": "http://cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "http://online.securityfocus.com/archive/1/262733"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022"}, {"source": "cve@mitre.org", "url": "http://www.iss.net/security_center/static/8485.php"}, {"source": "cve@mitre.org", "url": "http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110"}, {"source": "cve@mitre.org", "url": "http://www.osvdb.org/5308"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/4309"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "ftp://patches.sgi.com/support/free/security/advisories/20030604-01-I"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "http://online.securityfocus.com/archive/1/262733"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.iss.net/security_center/static/8485.php"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/5308"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/4309"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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