CVE-2017-8051: Tenable Appliance

Critical severity, CVSS 9.8. EPSS: 16.5% chance of exploitation in the next 30 days.

Tenable Appliance 3.5 - 4.4.0, and possibly prior versions, contains a flaw in the simpleupload.py script in the Web UI. Through the manipulation of the tns_appliance_session_user parameter, a remote attacker can inject arbitrary commands.

Affected products

• Tenable Appliance: version 3.4.0 only; version 3.5.0 only; version 3.5.1 only; version 3.10.0 only; version 3.10.1 only; version 4.0.0 only; …

Published 2017-04-21. Last modified 2026-06-17.