VulnerabilityModified
CVE-2006-4983
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.
HIGH 7.5EPSS 1.34%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 1.34% probability · 70th percentile
- CISA KEV
- Not listed
- Affected
- cisco/network access control
- Source
- cve@mitre.org
References
- http://www.insightix.com/files/pdf/Bypassing_NAC_Solutions_Whitepaper.pdf
- http://www.osvdb.org/30977
- http://www.securityfocus.com/archive/1/446421/100/0/threaded
- http://www.insightix.com/files/pdf/Bypassing_NAC_Solutions_Whitepaper.pdf
- http://www.osvdb.org/30977
- http://www.securityfocus.com/archive/1/446421/100/0/threaded
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.