CVE-2021-33178 Path traversal in NagVis
Authenticated attackers can exploit a path traversal flaw in NagVis to arbitrarily delete files on the local system.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-33178?
CVE-2021-33178 is a medium-severity path traversal vulnerability in NagVis, published on 14 Oct 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Manage Backgrounds functionality within NagVis versions prior to 1.9.29 is vulnerable to an authenticated path traversal vulnerability. Exploitation of this results in a malicious actor having the ability to arbitrarily delete files on the local system.
Weakness: CWE-22
Which versions are affected by CVE-2021-33178?
It affects 1 product.
Products include Nagvis Nagvis.
How do I fix CVE-2021-33178?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-33178 being exploited?
There is no known exploitation of CVE-2021-33178 in the wild and no public exploit code.
Other vulnerabilities in NagVis
Sources
Also known as DEBIAN-CVE-2021-33178, GHSA-g6fj-g9qm-g5xw, UBUNTU-CVE-2021-33178.