What is CVE-2017-12211?

CVE-2017-12211 is a medium-severity vulnerability in Cisco iOS, classified under CWE-399. CVSS score: 5.3/10. Published 2017-09-07.

How severe is CVE-2017-12211?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Cisco iOS

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.

EPSS: 0.016 (74.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Cisco Ios — versions 3.16.1
Cisco Ios_xe — versions 3.16.1
N/a Cisco Ios And Xe — versions Cisco IOS and Cisco IOS XE

Weakness classification (CWE)

CWE-399

References

psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2017-12211?: CVE-2017-12211 is a medium-severity vulnerability in Cisco iOS, classified under CWE-399. CVSS score: 5.3/10. Published 2017-09-07.
How severe is CVE-2017-12211?: Medium severity. CVSS v3 base score is 5.3 out of 10.