CVE Vulnerabilities

CVE-2005-4440

Published: Dec 21, 2005 | Modified: Oct 19, 2018
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

The 802.1q VLAN protocol allows remote attackers to bypass network segmentation and spoof VLAN traffic via a message with two 802.1q tags, which causes the second tag to be redirected from a downstream switch after the first tag has been stripped, as demonstrated by Yersinia, aka double-tagging VLAN jumping attack.

Affected Software

Name Vendor Start Version End Version
Vlan_protocol Vlan_protocol 802.1q 802.1q

References