VulnerabilityModified

CVE-2017-12211

MEDIUM 5.3EPSS 1.65%

Does this matter?

Lower severity and a low EPSS score (1.65%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.0: 5.3 MEDIUMCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 1.65% probability · 76th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-399
Affected: cisco/ios · cisco/ios xe
Source: psirt@cisco.com

EPSS trend

EPSS 1.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.