CVE-2011-2058

HighCVSS 7.5/10Last modified Jun 16, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/release/notes/caveats_SXI_rebuilds.htmlRelease Notes, Vendor Advisory
http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/release/notes/caveats_SXI_rebuilds.htmlRelease Notes, Vendor Advisory

Timeline

Published: Oct 22, 2011
Last modified: Jun 16, 2026
NVD status: Modified

Related CVEs from 2011

CVE-2011-20595.0The ipv6 component in Cisco IOS before 15.1(4)M1.3 allows remote attackers to conduct fingerprinting attacks and obtain potentially sensitiv CVE-2011-20604.9The platform-sw component on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 before 8.2(5.3), 8.3 before 8.3(CVE-2011-20647.8Cisco IOS 12.4MDA before 12.4(24)MDA5 on the Cisco Content Services Gateway - Second Generation (CSG2) allows remote attackers to cause a de CVE-2011-20727.8Memory leak in Cisco IOS 12.4, 15.0, and 15.1, Cisco IOS XE 2.5.x through 3.2.x, and Cisco Unified Communications Manager (CUCM) 6.x and 7.x CVE-2011-20748.5Unspecified vulnerability in the client in Skype 5.x before 5.1.0.922 on Mac OS X allows remote authenticated users to execute arbitrary cod CVE-2011-20759.3Unspecified vulnerability in Google Chrome 11.0.696.65 on Windows 7 SP1 allows remote attackers to execute arbitrary code via unknown vector CVE-2011-20765.0MediaCAST 8 and earlier stores passwords in cleartext, which makes it easier for context-dependent attackers to obtain sensitive information CVE-2011-20777.5The default configuration of the New Atlanta BlueDragon administrative interface in MediaCAST 8 and earlier enables external TCP connections CVE-2011-20784.3Multiple cross-site scripting (XSS) vulnerabilities in the New Atlanta BlueDragon administrative interface in MediaCAST 8 and earlier allow CVE-2011-20797.5MediaCAST 8 and earlier allows remote attackers to have an unspecified impact via a (1) CP_RIGHTSOURCE or (2) bdclient_Inventive cookie to t CVE-2011-20807.5Multiple SQL injection vulnerabilities in MediaCAST 8 and earlier allow remote attackers to execute arbitrary SQL commands via (1) a CP_ENLA CVE-2011-20815.0MediaCAST 8 and earlier does not properly handle requests for inventivex/isptools/release/metadata/globalIncludeFolders.txt, which allows re