Description
Cisco Catalyst 5000 series switches 6.1(2) and earlier will forward an 802.1x frame on a Spanning Tree Protocol (STP) blocked port, which causes a network storm and a denial of service.
References
- 20010416 Catalyst 5000 Series 802.1x Vulnerability vendor-advisory
- 2604 vdb-entry
- cisco-catalyst-8021x-dos(6379) vdb-entry
- L-072 third-party-advisory government-resource