CVE-2006-4430

Published: Aug 29, 2006Modified: Apr 16, 2026

5.0

Vector

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

Exploitability: 10.0 / Impact: 2.9

Source: 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.

Affected (26)

Products: Cisco: Network Admission Control, Network Admission Control Manager And Server System Software

Cisco

2 products

Network Admission Control

Network Admission Control Manager And Server System Software

Configuration A

26 vulnerable

Vulnerable Software	Affected Versions
Cisco Network Admission Control	Up to 3.6.4.1
Cisco Network Admission Control Manager And Server System Software	Version 3.3.1
Cisco Network Admission Control Manager And Server System Software	Version 3.3.2
Cisco Network Admission Control Manager And Server System Software	Version 3.3.3
Cisco Network Admission Control Manager And Server System Software	Version 3.3.4
Cisco Network Admission Control Manager And Server System Software	Version 3.3.5
Cisco Network Admission Control Manager And Server System Software	Version 3.3.6
Cisco Network Admission Control Manager And Server System Software	Version 3.3.7
Cisco Network Admission Control Manager And Server System Software	Version 3.3.8
Cisco Network Admission Control Manager And Server System Software	Version 3.3.9
Cisco Network Admission Control Manager And Server System Software	Version 3.3
Cisco Network Admission Control Manager And Server System Software	Version 3.4.1
Cisco Network Admission Control Manager And Server System Software	Version 3.4.2
Cisco Network Admission Control Manager And Server System Software	Version 3.4.3
Cisco Network Admission Control Manager And Server System Software	Version 3.4.4
Cisco Network Admission Control Manager And Server System Software	Version 3.4.5
Cisco Network Admission Control Manager And Server System Software	Version 3.4
Cisco Network Admission Control Manager And Server System Software	Version 3.5.1
Cisco Network Admission Control Manager And Server System Software	Version 3.5.2
Cisco Network Admission Control Manager And Server System Software	Version 3.5.3
Cisco Network Admission Control Manager And Server System Software	Version 3.5.4
Cisco Network Admission Control Manager And Server System Software	Version 3.5.5
Cisco Network Admission Control Manager And Server System Software	Version 3.5
Cisco Network Admission Control Manager And Server System Software	Version 3.5(9)
Cisco Network Admission Control Manager And Server System Software	Version 3.6.0.1
Cisco Network Admission Control Manager And Server System Software	Version 3.6.4.0.1