Vulnerability Details CVE-2006-4430
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.023
EPSS Ranking 84.0%
CVSS Severity
CVSS v2 Score 5.0
References
- http://archive.cert.uni-stuttgart.de/archive/bugtraq/2005/08/msg00200.html
- http://www.cisco.com/en/US/products/ps6128/products_security_notice09186a00804fa82b.html
- http://www.cisco.com/en/US/products/ps6128/tsd_products_security_response09186a008071d609.html
- http://www.securityfocus.com/archive/1/408603/30/0/threaded
- http://www.securityfocus.com/archive/1/444424/100/0/threaded
- http://www.securityfocus.com/archive/1/444501/100/0/threaded
- http://www.securityfocus.com/archive/1/444737/100/0/threaded
- http://www.securityfocus.com/bid/19726
- http://archive.cert.uni-stuttgart.de/archive/bugtraq/2005/08/msg00200.html
- http://www.cisco.com/en/US/products/ps6128/products_security_notice09186a00804fa82b.html
- http://www.cisco.com/en/US/products/ps6128/tsd_products_security_response09186a008071d609.html
- http://www.securityfocus.com/archive/1/408603/30/0/threaded
- http://www.securityfocus.com/archive/1/444424/100/0/threaded
- http://www.securityfocus.com/archive/1/444501/100/0/threaded
- http://www.securityfocus.com/archive/1/444737/100/0/threaded
- http://www.securityfocus.com/bid/19726
Products affected by CVE-2006-4430
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cpe:2.3:a:cisco:network_admission_control:*
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.1
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.2
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.3
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.4
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.5
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.6
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.7
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.8
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.3.9
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.4
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.4.1
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.4.2
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.4.3
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.4.4
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.4.5
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.5
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.5(9)
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.5.1
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.5.2
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.5.3
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.5.4
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.5.5
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.6.0.1
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cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:3.6.4.0.1