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CVE-2021-27274 File upload in ProSAFE Network Management System

Critical 9.8 Published Updated

Remote attackers can execute arbitrary code with SYSTEM privileges on NETGEAR ProSAFE Network Management System via improper file upload validation.

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-2021-27274?

CVE-2021-27274 is a critical vulnerability in NETGEAR ProSAFE Network Management System, published on 29 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Authentication is not required to exploit this vulnerability. The specific flaw exists within the MFileUploadController class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-12124.

Weakness: CWE-434

Which versions are affected by CVE-2021-27274?

It affects 1 product.

Products include Netgear Prosafe Network Management System.

How do I fix CVE-2021-27274?

No fix has been published for CVE-2021-27274 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-27274 being exploited?

There is no known exploitation of CVE-2021-27274 in the wild and no public exploit code.

Sources

Also known as GHSA-p4c8-3v5r-q3h7.

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