Privilege escalation in Tenable Nessus - CVE-2021-20135
Published: November 1, 2021
Vulnerability identifier: #VU57847
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/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-2021-20135
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Tenable Network Security
Affected software:
Tenable Nessus
Tenable Nessus
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to Nessus does not properly impose security restrictions. A local administrator can run specific executables on the Nessus Agent host.
How to mitigate CVE-2021-20135
Install updates from vendor's website.