CVE-2006-4983

high

Description

Cisco NAC allows quarantined devices to communicate over the network with (1) DNS, (2) DHCP, and (3) EAPoUDP, which allows attackers to bypass control methods by tunneling network traffic through one of these protocols.

References

http://www.securityfocus.com/archive/1/446421/100/0/threaded

http://www.osvdb.org/30977

http://www.insightix.com/files/pdf/Bypassing_NAC_Solutions_Whitepaper.pdf

Details

Source: Mitre, NVD

Published: 2006-09-26

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N