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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 4.39% probability · 91th percentile
- CISA KEV
- Not listed
- Affected
- cisco/catalyst 6000 intrusion detection system module · cisco/secure intrusion detection system · iss/realsecure network sensor · iss/realsecure server sensor · snort/snort · enterasys/dragon
- Source
- cve@mitre.org
References
- http://marc.info/?l=bugtraq&m=99972950200602&w=2
- http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtmlPatch, Vendor Advisory
- http://www.kb.cert.org/vuls/id/548515US Government Resource
- http://www.securityfocus.com/bid/3292
- http://xforce.iss.net/alerts/advise95.phpPatch, Vendor Advisory
- http://marc.info/?l=bugtraq&m=99972950200602&w=2
- http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtmlPatch, Vendor Advisory
- http://www.kb.cert.org/vuls/id/548515US Government Resource
- http://www.securityfocus.com/bid/3292
- http://xforce.iss.net/alerts/advise95.phpPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.