CVE-2020-5793

Name: CVE-2020-5793
Creator: NVD / NIST
Published: 2020-11-05T20:15:17.27+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2020-5793 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.39%

31.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Tenable	Nessus	>= 8.9.0, <= 8.12.0
Tenable	Nessus Agent	8.0.0
Tenable	Nessus Agent	8.1.0

References

https://www.tenable.com/security/tns-2020-07Vendor Advisory
https://www.tenable.com/security/tns-2020-08Vendor Advisory
https://www.tenable.com/security/tns-2020-07Vendor Advisory
https://www.tenable.com/security/tns-2020-08Vendor Advisory

Timeline

Published: Nov 5, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5793?

How severe is CVE-2020-5793?

CVE-2020-5793 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5793?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-5793?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST