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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.016 (75.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-12211: held from 0.016 to 0.016.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: +0.001

Affected products

  • Cisco iOS — versions 3.16.1
  • Cisco iOS Xe — versions 3.16.1
  • Cisco iOS And Xe — versions Cisco IOS and Cisco IOS XE

Weakness classification (CWE)

References

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.