CVE-2005-1942

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-06-10 · updated 2026-06-16

Description

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: all versions

References

http://marc.info/?l=bugtraq&m=111842833009771&w=2
http://www.cisco.com/warp/public/707/cisco-sn-20050608-8021x.shtml
http://www.fishnetsecurity.com/csirt/disclosure/cisco/Cisco+802.1x+Advisory.pdf
http://www.securitytracker.com/alerts/2005/Jun/1014135.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/20939
http://marc.info/?l=bugtraq&m=111842833009771&w=2
http://www.cisco.com/warp/public/707/cisco-sn-20050608-8021x.shtml
http://www.fishnetsecurity.com/csirt/disclosure/cisco/Cisco+802.1x+Advisory.pdf
http://www.securitytracker.com/alerts/2005/Jun/1014135.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/20939

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