CVE-2018-16820 Path traversal in n/a

High 7.5 Published 18 Sep 2018 Updated 5 Aug 2024

Attackers can list arbitrary directories in Monstra CMS via path traversal in the admin file manager, exposing sensitive file structures.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-16820?

CVE-2018-16820 is a high-severity path traversal vulnerability in n/a, published on 18 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

admin/index.php in Monstra CMS 3.0.4 allows arbitrary directory listing via id=filesmanager&path=uploads/.......//./.......//./ requests.

Weakness: CWE-22

Which versions are affected by CVE-2018-16820?

It affects 1 product.

Products include Monstra Monstra.

How do I fix CVE-2018-16820?

No fix has been published for CVE-2018-16820 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2018-16820 being exploited?

There is no known exploitation of CVE-2018-16820 in the wild and no public exploit code.

Sources

Also known as GHSA-wq24-fwf9-r276.