PT-2017-12401 · Cisco · Cisco Ios Xe+1

Published 2017-09-06 · Updated 2019-10-09 · CVE-2017-12211

Positive Technologies (AI Summary)

CVSS v2.0

6.3

Medium

Base vector

AV:N/AC:M/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Cisco IOS and Cisco IOS XE Software version Denali-16.3.1

Description A vulnerability in the IPv6 Simple Network Management Protocol (SNMP) code could allow an authenticated, remote attacker to cause high CPU usage or a reload of the device. The issue is due to IPv6 sub block corruption. An attacker could exploit this by polling the affected device's IPv6 information, potentially triggering high CPU usage or a device reload.

Recommendations For version Denali-16.3.1, consider applying the available workaround to address this issue, as there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-399

Related Identifiers

CVE-2017-12211

Affected Products

Cisco Ios

Cisco Ios Xe

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2017-12211 · Security Note
• https://osv.dev/vulnerability/CVE-2017-12211 · Vendor Advisory
• https://quickview.cloudapps.cisco.com/quickview/bug/CSCvb14640 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-snmp · Vendor Advisory
• http://securitytracker.com/id/1039290 · Note
• http://securityfocus.com/bid/100648 · Note