CVE-2002-0381 json
The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block connections to broadcast addresses, which cou…
published 2002-06-25 24 y ago modified 2026-06-16 4 mo ago also EUVD-2002-0378
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
1.98% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- online.securityfocus.com http://online.securityfocus.com/archive/1/262733 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
References
-
online.securityfocus.com
/archive/1/262733
mailing-list, exploit, patch, vendor-advisory
-
freebsd.org
/cgi/query-pr.cgi?pr=35022
patch, vendor-advisory
-
securityfocus.com
/bid/4309
vdb-entry
- 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
vdb-entry
- openbsd.org /cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110
-
osvdb.org
/5308
vdb-entry
Sources
- CVE List CVE-2002-0381
- NVD CVE-2002-0381
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