Cisco Catalyst 5000 Series Frame STP Port Broadcast DoS (CSCdt62732)

When an 802.1x IEEE standard for port based network access control frame is received by an affected Catalyst 5000 series switch on a STP Spanning Tree Protocol blocked port it is forwarded in that VLAN Virtual Local Area Network instead of being dropped. This causes a performance impacting 802.1x...

CVE-2001-0429

CVE-2001-0429 affects Cisco Catalyst 5000 series switches (versions 6.1(2) and earlier). The issue occurs when an 802.1x frame is received on a STP blocked port and is forwarded within that VLAN, causing a network storm and a denial of service. The connected Nessus/CSCs detail the same STP/802.1x...

Security Advisory: Catalyst 5000 Series 802.1x Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Cisco Security Advisory: Catalyst 5000 Series 802.1x Vulnerability ============================================================================= Revision 1.0 For Public Release 2001 April 16 at 1500 UTC...