CVE-2019-16011: Cisco IOS XE SD-WAN Software Command Injection Vulnerability

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-04-29 · updated 2026-06-17
Weakness: CWE-77

Description

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: from 16.12 before 17.2.1r; 16.10.2, 16.11, 16.9, 16.10, 17.3 — fixed in 17.2.1r

How to fix

Upgrade to a fixed version: Cisco IOS XE 17.2.1r. Check the vendor advisory for mitigations.

References

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