CVE-2019-16011: Cisco IOS XE

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI utility. The attacker must be authenticated to access the CLI utility. A successful exploit could allow the attacker to execute commands with root privileges.

Affected products

• Cisco IOS XE: version 16.10.2 only; version 16.11 only; from 16.12, before 17.2.1r (fixed in 17.2.1r); version 16.9 only; version 16.10 only; version 17.3 only

Published 2020-04-29. Last modified 2026-06-17.