CVE-2021-27272 Path traversal in ProSAFE Network Management System

High 7.1 Published 29 Mar 2021 Updated 3 Aug 2024

Remote attackers can delete arbitrary files and cause denial of service via path traversal in NETGEAR ProSAFE Network Management System.

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

What is CVE-2021-27272?

CVE-2021-27272 is a high-severity path traversal vulnerability in NETGEAR ProSAFE Network Management System, published on 29 Mar 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

This vulnerability allows remote attackers to delete arbitrary files on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the ReportTemplateController class. When parsing the path parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-12123.

Weakness: CWE-22

Which versions are affected by CVE-2021-27272?

It affects 1 product.

Products include Netgear Prosafe Network Management System.

How do I fix CVE-2021-27272?

No fix has been published for CVE-2021-27272 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-2021-27272 being exploited?

There is no known exploitation of CVE-2021-27272 in the wild and no public exploit code.

Sources

Also known as GHSA-qpvp-xhj2-299f.