Vulnerability in Cisco Catalyst 6000 Intrusion Detection System Module
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.044 (91.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000
Affected products
- Cisco Catalyst 6000 Intrusion Detection System Module
- Cisco Secure Intrusion Detection System
- Enterasys Dragon — versions 4.x
- Iss Realsecure Network Sensor — versions 5.x, 6.x
- Iss Realsecure Server Sensor — versions 5.5, 6.0
- Snort — versions 1.8.1
References
- www.kb.cert.org/vuls/id/548515 (US Government Resource, third-party-advisory)
- www.securityfocus.com/bid/3292 (vdb-entry)
- www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.sh… (vendor-advisory, Patch, Vendor Advisory)
- xforce.iss.net/alerts/advise95.php (Patch, Vendor Advisory, third-party-advisory)
- marc.info/ (mailing-list)