It is possible to predict TCP/IP Initial Sequence Numbers for the remote host.
The remote host has predictable TCP sequence numbers.
An attacker may use this flaw to establish spoofed TCP connections to this host.
How does fortigate mitigate this? FortiGate
Dear iamkaylion,
I guess you are talking about the vulnerability CVE-2001-0328. .This was already addressed by Fortigate long back in software version 5.2.9 or above.
If you want to know more details you can check below link from fortinet.
https://www.fortiguard.com/psirt/FG-IR-16-039
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