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Case File

CVE-2003-1230

MEDIUM · CVSS 6.4 EPSS 1.35%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2003-12-31 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE
CVE-2003-1230
Severity
MEDIUM
CVSS
6.4
EPSS
1.35%

Original Filing — NVD Description

The implementation of SYN cookies (syncookies) in FreeBSD 4.5 through 5.0-RELEASE-p3 uses only 32-bit internal keys when generating syncookies, which makes it easier for remote attackers to conduct brute force ISN guessing attacks and spoof legitimate traffic.