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Cisco XE: CVE-2017-12211: Cisco IOS and Cisco IOS XE Software IPv6 SNMP Message Handling Denial of Service Vulnerability

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Cisco XE: CVE-2017-12211: Cisco IOS and Cisco IOS XE Software IPv6 SNMP Message Handling Denial of Service Vulnerability

Severity
6
CVSS
(AV:N/AC:M/Au:S/C:N/I:N/A:C)
Published
09/07/2017
Created
08/02/2019
Added
07/30/2019
Modified
01/05/2024

Description

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.

Solution(s)

  • cisco-xe-upgrade-latest

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