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Network Access Control

network_access_control

Vendor: Cisco • 2 CVEs

CVEs (2)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Cisco
1Network Access Control
Apr 16, 2026
Sep 26, 2006
N/A· v4
N/A· v3
7.5 HIGH· v2
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.
1Cisco
1Network Access Control
Apr 16, 2026
Sep 26, 2006
N/A· v4
N/A· v3
4.6 MEDIUM· v2
Cisco NAC maintains an exception list that does not record device properties other than MAC address, which allows physically proximate attackers to bypass control methods and join a local network by spoofing the MAC addr...Show more
Cisco NAC maintains an exception list that does not record device properties other than MAC address, which allows physically proximate attackers to bypass control methods and join a local network by spoofing the MAC address of a different type of device, as demonstrated by using the MAC address of a disconnected printer.Show less