CVE-2006-4983
Cisco NAC allows quarantined devices to communicate over the network with (1) DNS, (2) DHCP, and ...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2006-4983- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2006-4983- Updated
- 2026-11-02
EUVDEUVD-2006-4969 No score
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.
- Record
EUVD-2006-4969- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mv5g-76c5-c56p No score
Cisco NAC allows quarantined devices to communicate over the network with (1) DNS, (2) DHCP, and ...
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.
- Record
GHSA-mv5g-76c5-c56p- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-4983 is a high vulnerability (CVSS 7.5) in Cisco Network Access Control, published September 26, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.36%, the 72nd percentile. No source names a fixed version.