CVE-2005-1942 Auth bypass in n/a

High 7.5 Published 14 Jun 2005 Updated 7 Aug 2024

Remote attackers can bypass port security on Cisco switches with 802.1x enabled by sending spoofed CDP messages to gain VLAN access.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2005-1942?

CVE-2005-1942 is a high-severity authentication bypass vulnerability in n/a, published on 14 Jun 2005. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Which versions are affected by CVE-2005-1942?

It affects 1 product.

Products include Cisco Catalyst.

How do I fix CVE-2005-1942?

No fix has been published for CVE-2005-1942 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2005-1942 being exploited?

There is no known exploitation of CVE-2005-1942 in the wild and no public exploit code.

Sources

Also known as GHSA-59rv-frvf-vhmx.