#VU56386 Input validation error in Nessus Agent - CVE-2021-20117
Published: September 8, 2021
Vulnerability identifier: #VU56386
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-20117
CWE-ID: CWE-20
Exploitation vector: Local 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 local user to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied input. A local user can run a specially crafted program to execute arbitrary code with elevated privileges.
Remediation
Install updates from vendor's website.