CVE-2021-20106 Privilege escalation in Nessus Agent
A Nessus administrator can upload a crafted file to gain administrator privileges on the host, requiring an upgrade to mitigate.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-20106?
CVE-2021-20106 is a medium-severity vulnerability in Tenable Nessus, published on 21 Jul 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Nessus Agent versions 8.2.5 and earlier were found to contain a privilege escalation vulnerability which could allow a Nessus administrator user to upload a specially crafted file that could lead to gaining administrator privileges on the Nessus host.
Which versions are affected by CVE-2021-20106?
It affects 1 product.
Products include Tenable Nessus.
How do I fix CVE-2021-20106?
No fix has been published for CVE-2021-20106 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-20106 being exploited?
There is no known exploitation of CVE-2021-20106 in the wild and no public exploit code.
Other vulnerabilities in Tenable Nessus
Sources
Also known as GHSA-qm76-fv6h-2pxw.