CVE-2020-5794: Tenable Nessus Network Monitor

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

A vulnerability in Nessus Network Monitor versions 5.11.0, 5.11.1, and 5.12.0 for Windows could allow an authenticated local attacker to execute arbitrary code by copying user-supplied files to a specially constructed path in a specifically named user directory. The attacker needs valid credentials on the Windows system to exploit this vulnerability.

Affected products

• Tenable Nessus Network Monitor: version 5.11.0 only; version 5.11.1 only; version 5.12.0 only

Published 2020-11-06. Last modified 2026-06-17.