RCE in Cisco Thousandeyes Enterprise Agent

CVE-2026-20350

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.

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-20350?
CVE-2026-20350 is a medium-severity vulnerability in Cisco Thousandeyes Enterprise Agent, classified under OS Command Injection. CVSS score: 4.7/10. Published 2026-09-16.
How severe is CVE-2026-20350?
Medium severity. CVSS v3 base score is 4.7 out of 10.