Vulnerability record · CVE-2000-0916 · published 19 December 2000

CVE-2000-0916: Freebsd vulnerability

Freebsd · Freebsd

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.

7.5 CVSS 2.0 High EPSS 5.5% · top 7.4%

7.5CVSS 2.0 base score

5.5%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

4References

23 Sep 2026Last modified by NVD

Description

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Freebsd Freebsd

References

Link	Tags
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:52.tcp-iss.asc	PatchVendor Advisory
http://www.securityfocus.com/bid/1766	PatchVendor Advisory
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:52.tcp-iss.asc	PatchVendor Advisory
http://www.securityfocus.com/bid/1766	PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2000-0916), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.