CVE-2001-0669 - CVE House
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Status published High CVE-2001-0669

Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

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Affected Vendor

Affected Software

catalyst 6000 intrusion detection system module, secure intrusion detection system, realsecure network sensor, realsecure server sensor, snort, dragon
Vulnerable Versions:
5.x, 6.x, 5.5, 6.0, 1.8.1, 4.x

Timeline

Official Publish: October 12th, 2001
Last Modified: August 8th, 2024
Added to House: July 18th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.