CVE-2006-4983
HIGH · CVSS 7.5EPSS 1.4%EU EUVD
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.
Key facts
- CVSS score
- 7.5 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- EPSS score
- 1.4% (72th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-4969)
- Published
- September 26, 2006
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-4969 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / network access control
References
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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