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Monday, December 8, 2025
High Published: May 03, 2001 Modified: Apr 03, 2025

CVE-2001-0288

7.5 CVSS
0 5 10
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Description

Cisco switches and routers running IOS 12.1 and earlier produce predictable TCP Initial Sequence Numbers (ISNs), which allows remote attackers to spoof or hijack TCP connections.

CVSS Vector Details

Attack Vector Network
Attack Complexity Low
Confidentiality P
Integrity P
Availability P

Affected Software Configurations

  • o cisco ios * * * * * * * *

Weaknesses (CWE)

  • NVD-CWE-Other