CVE-2000-0916
Medium
Elevated severity or exploit probability.
CVSS base
7.5
HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS — probability of exploitation (30 days)
5.5%
92.5th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2000-12-19 · modified 2026-09-23
Description
FreeBSD 4.1.1 and earlier, and possibly other BSD-based OSes, uses an insufficient random number generator to generate initial TCP sequence numbers (ISN), which allows remote attackers to spoof TCP connections.