CVE-2001-0669

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Summary

CVECVE-2001-0669
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2001-10-30 05:00:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionVarious 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.

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cisco Catalyst 6000 Intrusion Detection System Module All All All All
Application Cisco Secure Intrusion Detection System All All All All
Hardware Enterasys Dragon 4.x All All All
Application Iss Realsecure Network Sensor 5.x All All All
Application Iss Realsecure Network Sensor 6.x All All All
Application Iss Realsecure Server Sensor 5.5 All All All
Application Iss Realsecure Server Sensor 6.0 All All All
Application Snort Snort 1.8.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Cisco Secure Intrusion Detection System Signature Obfuscation vulnerability af854a3a-2127-422b-91ae-364da2661108 www.cisco.com Patch, Vendor Advisory
marc.info af854a3a-2127-422b-91ae-364da2661108 marc.info
CERT/CC Vulnerability Note VU#548515 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org US Government Resource
xforce.iss.net/alerts/advise95.php af854a3a-2127-422b-91ae-364da2661108 xforce.iss.net Patch, Vendor Advisory
Multiple IDS Vendor Encoded IIS Attack Detection Evasion Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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