CVE-2007-2688
The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly...
The 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.
Exploit likelihood
What each source reports
NVD Score used
The 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.
- Record
CVE-2007-2688- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
The 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.
- Record
CVE-2007-2688- Updated
- 2026-11-02
EUVDEUVD-2007-2680 No score
The 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.
- Record
EUVD-2007-2680- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v42f-h49w-98mp No score
The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly...
The 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.
- Record
GHSA-v42f-h49w-98mp- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| aliases, references, title | GitHub Advisories | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-2688 is a high vulnerability (CVSS 7.8) in Cisco Ios, published May 16, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.98%, the 87th percentile. No source names a fixed version.
References
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5465
osvdb.org/35336
kb.cert.org/vuls/id/739224
vupen.com/english/advisories/2007/1803
securitytracker.com/id?1018053
gamasec.net/english/gs07-01.html
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secunia.com/advisories/25285
securityfocus.com/bid/23980
cisco.com/en/US/products/products_security_response09186a008083f82e.html
exchange.xforce.ibmcloud.com/vulnerabilities/34277
nvd.nist.gov/vuln/detail/CVE-2007-2688
github.com/advisories/GHSA-v42f-h49w-98mp