CVE-2001-0669
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.
- EPSS
- 4.4% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- cisco:catalyst_6000_intrusion_detection_system_module
- cisco:secure_intrusion_detection_system
- enterasys:dragon
- iss:realsecure_network_sensor
- iss:realsecure_server_sensor
- snort:snort