#VU54451 Arbitrary file upload in Nessus Agent - CVE-2021-20106
Published: June 30, 2021
Vulnerability identifier: #VU54451
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-20106
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Nessus Agent
Nessus Agent
Software vendor:
Tenable Network Security
Tenable Network Security
Description
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload. A remote Nessus administrator user can upload a malicious file and escalate privileges on the system.
Remediation
Install updates from vendor's website.