VULNERABILITY INTELLIGENCE

CVE-2011-2058

CVSS score7.5 HIGH
EPSS probability1.82%
CISA KEVNot currently listed
Published2011-10-22
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references