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Saturday, December 6, 2025
High Published: Oct 30, 2001 Modified: Apr 03, 2025

CVE-2001-0669

7.5 CVSS SCORE
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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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.

CVSS Vector Details

Attack Vector Network
Attack Complexity Low
Confidentiality P
Integrity P
Availability P

Affected Software Configurations

  • a cisco catalyst_6000_intrusion_detection_system_module * * * * * * * *
  • a cisco secure_intrusion_detection_system * * * * * * * *
  • a iss realsecure_network_sensor 5.x * * * * * * *
  • a iss realsecure_network_sensor 6.x * * * * * * *
  • a iss realsecure_server_sensor 5.5 * * * * * * *
  • a iss realsecure_server_sensor 6.0 * * * * * * *
  • a snort snort 1.8.1 * * * * * * *
  • h enterasys dragon 4.x * * * * * * *

Weaknesses (CWE)

  • NVD-CWE-Other

References & External Links

External Resources

NVD Official Record Exploit-DB Search Exploits CVE Details Statistics GitHub PoC / Tools X / Twitter Discussions Google Search More
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