CVE-2007-2688

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Summary

CVECVE-2007-2688
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2007-05-16 01:19:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionThe Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly handle certain full-width and half-width Unicode character encodings, which might allow remote attackers to evade detection of HTTP traffic.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

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

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

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Ios 10.0 All All All
Operating System Cisco Ios 11.1cc All All All
Operating System Cisco Ios 11.3 All All All
Operating System Cisco Ios 12.0 All All All
Operating System Cisco Ios 12.0s All All All
Operating System Cisco Ios 12.0st All All All
Operating System Cisco Ios 12.0t All All All
Operating System Cisco Ios 12.1 All All All
Operating System Cisco Ios 12.1e All All All
Operating System Cisco Ios 12.1t All All All
Operating System Cisco Ios 12.2 All All All
Operating System Cisco Ios 12.2t All All All
Application Cisco Ips Sensor Software 4.0 All All All
Application Cisco Ips Sensor Software 5.0\(1\) All All All
Application Cisco Ips Sensor Software 5.0\(2\) All All All
Application Cisco Ips Sensor Software 5.0\(6\)p1 All All All
Application Cisco Ips Sensor Software 5.1\(1a\) All All All
Application Cisco Ips Sensor Software 5.1\(1b\) All All All
Application Cisco Ips Sensor Software 5.1\(1c\) All All All
Application Cisco Ips Sensor Software 5.1\(1d\) All All All
Application Cisco Ips Sensor Software 5.1\(1e\) All All All
Application Cisco Ips Sensor Software 5.1\(1\) All All All
Application Cisco Ips Sensor Software 5.1\(p1\) All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Cisco Intrusion Prevention System Lets Remote Users Evade Detection With Certain Character Encodings - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
US-CERT Vulnerability Note VU#739224 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org US Government Resource
www.gamasec.net/english/gs07-01.html af854a3a-2127-422b-91ae-364da2661108 www.gamasec.net
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Cisco Products HTTP Unicode Encoding Detection Bypass - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Multiple Products Full/Half Width Unicode Detection Evasion Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Cisco Security Response: HTTP Full-Width and Half-Width Unicode Encoding Evasion  [Products & Services] - Cisco Systems af854a3a-2127-422b-91ae-364da2661108 www.cisco.com
www.osvdb.org/35336 af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Cisco IOS Firewall/IPS Feature Set Lets Remote Users Evade Detection With Certain Character Encodings - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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