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CVE-2000-0916 — HIGH severity vulnerability (FreeBSD 4.1.1 and earlier, and possibly other BSD-based OSes)

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.

CVE IDCVE-2000-0916
SeverityHIGH
CVSS score7.5
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
CWENVD-CWE-Other
StatusModified
Published2000-12-19
Last modified2026-04-16
DescriptionFreeBSD 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.
SourceNIST National Vulnerability Database

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