CVE-2011-2057

published 2011-10-22

CVE-2011-2057: The cat6000-dot1x component in Cisco IOS 12.2 before 12.2(33)SXI7 does not properly handle (1) a loop between a dot1x enabled port and an open-authentication…

high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

The cat6000-dot1x component in Cisco IOS 12.2 before 12.2(33)SXI7 does not properly handle (1) a loop between a dot1x enabled port and an open-authentication dot1x enabled port and (2) a loop between a dot1x enabled port and a non-dot1x port, which allows remote attackers to cause a denial of service (traffic storm) via unspecified vectors that trigger many Spanning Tree Protocol (STP) Bridge Protocol Data Unit (BPDU) frames, aka Bug ID CSCtq36327.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
cisco	ios	>= 12.2 < 12.2\(33\)sxi7	12.2\(33\)sxi7

CWE-20