CVE-2001-0288

HIGH · CVSS 7.5 EPSS 5.41%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2001-05-03 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE

CVE-2001-0288

Severity

HIGH

CVSS

7.5

EPSS

5.41%

Cisco

Original Filing — 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.