CVE-2011-2058
HIGHCisco IOS 12.2 < 12.2(33)SXI7 - Denial of Service via External Loop in cat6000-dot1x Component
Title source: llmDescription
The cat6000-dot1x component in Cisco IOS 12.2 before 12.2(33)SXI7 does not properly handle an external loop between a pair of dot1x enabled ports, which allows remote attackers to cause a denial of service (traffic storm) via unspecified vectors that trigger many unicast EAPoL Protocol Data Units (PDUs), aka Bug ID CSCtq36336.
References (1)
Core 1
Core References
Release Notes, Vendor Advisory x_refsource_confirm
http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/release/notes/caveats_SXI_rebuilds.html
Scores
CVSS v3
7.5
EPSS
0.0182
EPSS Percentile
76.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-20
Status
published
Products (1)
cisco/ios
12.2 - 12.2\(33\)sxi7
Published
Oct 22, 2011
Tracked Since
Feb 18, 2026