CVE-2005-1942: Cisco Catalyst

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

Cisco switches that support 802.1x security allow remote attackers to bypass port security and gain access to the VLAN via spoofed Cisco Discovery Protocol (CDP) messages.

Affected products

• Cisco Catalyst: any version

Published 2005-06-10. Last modified 2026-06-16.