CVE-2020-5793: Tenable Nessus

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

A vulnerability in Nessus versions 8.9.0 through 8.12.0 for Windows & Nessus Agent 8.0.0 and 8.1.0 for Windows could allow an authenticated local attacker to copy user-supplied files to a specially constructed path in a specifically named user directory. An attacker could exploit this vulnerability by creating a malicious file and copying the file to a system directory. The attacker needs valid credentials on the Windows system to exploit this vulnerability.

Affected products

• Tenable Nessus: from 8.9.0, up to and including 8.12.0
• Tenable Nessus Agent: version 8.0.0 only; version 8.1.0 only

Published 2020-11-05. Last modified 2026-06-17.