Predictable TCP Initial Sequence Numbers (ISN) in Cisco CBOS 2.3.8 and earlier: Remote Spoofing and Hijacking Vulnerability

CVE-2001-0751 · HIGH Severity

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

Cisco switches and routers running CBOS 2.3.8 and earlier use predictable TCP Initial Sequence Numbers (ISN), which allows remote attackers to spoof or hijack TCP connections.

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