VULNERABILITY INTELLIGENCE
CVE-2001-0669
CVSS score7.5 HIGH
EPSS probability4.39%
CISA KEVNot currently listed
Published2001-10-30
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
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.
Primary references
- cve@mitre.org
- cve@mitre.org — Patch, Vendor Advisory
- cve@mitre.org — US Government Resource
- cve@mitre.org
- cve@mitre.org — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — US Government Resource
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory