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Case File

CVE-2001-0669

HIGH · CVSS 7.5 EPSS 4.39%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2001-10-30 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2001-0669
Severity
HIGH
CVSS
7.5
EPSS
4.39%
Windows Cisco

Original NVD Description

Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard "%u" Unicode encoding of ASCII characters in the requested URL.