CVE-2006-4430

N/A Unknown
Published: August 29, 2006 Modified: April 16, 2026
View on NVD

Description

The Cisco Network Admission Control (NAC) 3.6.4.1 and earlier allows remote attackers to prevent installation of the Cisco Clean Access (CCA) Agent and bypass local and remote protection mechanisms by modifying (1) the HTTP User-Agent header or (2) the behavior of the TCP/IP stack. NOTE: the vendor has disputed the severity of this issue, stating that users cannot bypass authentication mechanisms.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://archive.cert.uni-stuttgart.de/archive/bugtraq/2005/08/msg00200.html
Source: cve@mitre.org
http://www.cisco.com/en/US/products/ps6128/products_security_notice09186a00804fa82b.html
Source: cve@mitre.org
http://www.cisco.com/en/US/products/ps6128/tsd_products_security_response09186a008071d609.html
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/408603/30/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/444424/100/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/444501/100/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/444737/100/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/bid/19726
Source: cve@mitre.org
http://archive.cert.uni-stuttgart.de/archive/bugtraq/2005/08/msg00200.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.cisco.com/en/US/products/ps6128/products_security_notice09186a00804fa82b.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.cisco.com/en/US/products/ps6128/tsd_products_security_response09186a008071d609.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/408603/30/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/444424/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/444501/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/444737/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/19726
Source: af854a3a-2127-422b-91ae-364da2661108

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
2.4%
85th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

cisco