CVE-2011-2058

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductCisco Ios
PublishedOct 22, 2011
First seenOct 22, 2011

How to fix

Update
  • cisco ios12.2\(33\)sxi7 or later

Affected products

ProductAffected versionsFixed in
cisco ios12.2 ≤ v < 12.2\(33\)sxi712.2\(33\)sxi7

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