vulnerability
Cisco XE: CVE-2017-12211: Cisco IOS and Cisco IOS XE Software IPv6 SNMP Message Handling Denial of Service Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:M/Au:S/C:N/I:N/A:C) | Sep 7, 2017 | Jul 30, 2019 | Jan 5, 2024 |
Severity
6
CVSS
(AV:N/AC:M/Au:S/C:N/I:N/A:C)
Published
Sep 7, 2017
Added
Jul 30, 2019
Modified
Jan 5, 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
cisco-xe-upgrade-latest
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.