CVE-2017-12211

A vulnerability in the IPv6 Simple Network Management Protocol (SNMP) code of Cisco IOS and Cisco IOS XE Software could allow an authenticated, remote attacker to cause high CPU usage or a reload of the device. The vulnerability is due to IPv6 sub block corruption. An attacker could exploit this vulnerability by polling the affected device IPv6 information. An exploit could allow the attacker to trigger high CPU usage or a reload of the device. Known Affected Releases: Denali-16.3.1. Cisco Bug IDs: CSCvb14640.

• CWE-399

• http://www.securityfocus.com/bid/100648Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039290Third Party Advisory, VDB Entry
• https://quickview.cloudapps.cisco.com/quickview/bug/CSCvb14640Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-snmpVendor Advisory
• http://www.securityfocus.com/bid/100648Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039290Third Party Advisory, VDB Entry
• https://quickview.cloudapps.cisco.com/quickview/bug/CSCvb14640Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-snmpVendor Advisory

Published

Sep 7, 2017

Last Modified

Jun 17, 2026

Status

Modified

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