CVE-2006-4981

Symantec Sygate NAC allows physically proximate attackers to bypass control methods and join a local network by selecting a forged MAC address associated with an exception rule that (1) permits all non-Windows devices or (2) whitelists certain sets of Organizationally Unique Identifiers (OUIs).

Date published : 2006-09-25

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

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