CVE-2001-0751

Cisco - Predictable ISN

Title source: llm

Description

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.

Exploits (1)

exploitdb WRITEUP

remotelinux

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

View Code ZIP pw:eip

References (2)

[Patch, Vendor Advisory] http://www.cisco.com/warp/public/707/CBOS-multiple2-pub.html

[Third Party Advisory, VDB Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/139

Scores

EPSS 0.1031

EPSS Percentile 93.2%

Details

Status published

Products (1)

cisco/cbos < 2.3.8

Published Oct 18, 2001

Tracked Since Feb 18, 2026