CVE-2002-0381
The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block...
CVE-2002-0381 is a medium vulnerability (CVSS 5.0) in Freebsd, published June 25, 2002. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.98%, the 80th percentile. No source names a fixed version.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2002-0381- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2002-0381- Updated
- 2026-11-02
EUVDEUVD-2002-0378 No score
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.
- Record
EUVD-2002-0378- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wh5h-x845-rhh4 No score
The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block...
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.
- Record
GHSA-wh5h-x845-rhh4- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |
References
online.securityfocus.com/archive/1/262733
securityfocus.com/bid/4309
cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137
iss.net/security_center/static/8485.php
openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110
FreeBSD.org/cgi/query-pr.cgi?pr=35022
osvdb.org/5308
nvd.nist.gov/vuln/detail/CVE-2002-0381
github.com/advisories/GHSA-wh5h-x845-rhh4