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CVE-2002-0381
The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block connections to broadcast addresses, which…
Medium5.0EPSS 2.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 2.0% · top 19% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (7)
- 20020317 TCP Connections to a Broadcast Address on BSD-Based Systems (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 4309 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137 (opens in a new tab)x_refsource_CONFIRMx_transferred
- bsd-broadcast-address(8485) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022 (opens in a new tab)x_refsource_MISCx_transferred
- 5308 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .