CVE-2001-0288

Cisco - Info Disclosure

Title source: llm

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.

Exploits (1)

exploitdb WRITEUP

remotelinux

https://www.exploit-db.com/exploits/19522

View Code ZIP pw:eip

References (1)

[Patch, Vendor Advisory] http://www.cisco.com/warp/public/707/ios-tcp-isn-random-pub.shtml

Scores

EPSS 0.0398

EPSS Percentile 88.4%

Details

Status published

Products (1)

cisco/ios < 12.1

Published May 03, 2001

Tracked Since Feb 18, 2026