CVE-2026-20350: Cisco ThousandEyes Virtual Appliance Authenticated Web Interface Command Injection Vulnerability

Published Sep 16, 2026
·
Updated

A vulnerability in the web-based management interface of Cisco ThousandEyes Virtual Appliance could allow an authenticated, remote attacker to inject arbitrary operating system commands. This vulnerability is due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit this vulnerability by saving configuration details that contain malicious values. A successful exploit could allow the attacker to execute arbitrary operating system commands with root privileges. To exploit this vulnerability, the attacker must have valid administrative credentials.

Affected Software

1 affected component
Cisco ThousandEyes Virtual Appliance

Event History

Sep 16, 2026
CVE Published
via MITRE·08:10 PM
Data Sourced
via MITRE·08:10 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Who can exploit this vulnerability?

A remote attacker must authenticate to the web-based management interface with valid administrative credentials. The issue affects Cisco ThousandEyes Virtual Appliance.

2

What access could an attacker gain after successful exploitation?

An attacker can execute arbitrary operating system commands with root privileges by saving configuration details containing malicious values.

3

Is user interaction required to exploit the issue?

No user interaction is required. Exploitation requires low complexity network access and administrative authentication.

Contact

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