CVE-2001-0288

Published: May 3, 2001Modified: Apr 16, 2026

7.5

Vector

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

Exploitability: 10.0 / Impact: 6.4

Source: NVD

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.

Affected (1)

Products: Cisco: Ios

Cisco

1 product

Ios

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Cisco Ios	Up to 12.1

References (2)

http://www.cisco.com/warp/public/707/ios-tcp-isn-random-pub.shtml

Source: cve@mitre.org

PatchVendor Advisory

http://www.cisco.com/warp/public/707/ios-tcp-isn-random-pub.shtml

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.