CVE-2001-0669
CVSS 7.5 - HIGH
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.
Affected Products
8| Vendor | Product | Version |
|---|---|---|
| cisco | catalyst_6000_intrusion_detection_system_module |
All versions
|
| cisco | secure_intrusion_detection_system |
All versions
|
| iss | realsecure_network_sensor |
5.x
|
| iss | realsecure_network_sensor |
6.x
|
| iss | realsecure_server_sensor |
5.5
|
| iss | realsecure_server_sensor |
6.0
|
| snort | snort |
1.8.1
|
| enterasys | dragon |
4.x
|
References
Weakness Types
NVD-CWE-Other
CVE Information
- CVE ID:
CVE-2001-0669- Published:
- 2001-10-30
- Modified:
- 2026-04-16
- CVSS Score:
- 7.5
- Severity:
- HIGH
- Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected Vendors
snort
enterasys
iss
cisco
Quick Actions
CVSS Severity Scale
0.0 - 3.9
LOW
4.0 - 6.9
MEDIUM
7.0 - 8.9
HIGH
9.0 - 10.0
CRITICAL