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Vulnerability record · CVE-2001-0328 · published 27 June 2001

CVE-2001-0328: TCP implementations that use random increments for initial sequence numbers (ISN) can allow remote attackers t…

TCP implementations that use random increments for initial sequence numbers (ISN) can allow remote attackers to perform session hijacking or disruption by injecting a flood of packets with a range of ISN values, one of which may match the expected ISN.

5.0 CVSS 2.0 Medium EPSS 18% · top 2.9%
5.0CVSS 2.0 base score
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

TCP implementations that use random increments for initial sequence numbers (ISN) can allow remote attackers to perform session hijacking or disruption by injecting a flood of packets with a range of ISN values, one of which may match the expected ISN.

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

References

LinkTags
ftp://patches.sgi.com/support/free/security/advisories/20030201-01-P
http://secunia.com/advisories/8044
http://securityreason.com/securityalert/57
http://www.cert.org/advisories/CA-2001-09.html PatchThird Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/2682
http://www.securitytracker.com/id/1033181
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4922
https://support.f5.com/csp/article/K19063943?utm_source=f5support&amp%3Butm_medium=RSS
ftp://patches.sgi.com/support/free/security/advisories/20030201-01-P
http://secunia.com/advisories/8044
http://securityreason.com/securityalert/57
http://www.cert.org/advisories/CA-2001-09.html PatchThird Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/2682
http://www.securitytracker.com/id/1033181
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4922
https://support.f5.com/csp/article/K19063943?utm_source=f5support&amp%3Butm_medium=RSS

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Source: NIST National Vulnerability Database (record CVE-2001-0328), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.