CVE-2021-27273 Command injection in ProSAFE Network Management System

High 8.8 Published Updated

Remote attackers can execute arbitrary code with SYSTEM privileges by exploiting a command injection flaw in the 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-2021-27273?

CVE-2021-27273 is a high-severity command injection 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 execute arbitrary code 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 SettingConfigController class. When parsing the fileName parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-12121.

Weakness: CWE-78

Which versions are affected by CVE-2021-27273?

It affects 1 product.

Products include Netgear Prosafe Network Management System.

How do I fix CVE-2021-27273?

No fix has been published for CVE-2021-27273 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-27273 being exploited?

There is no known exploitation of CVE-2021-27273 in the wild and no public exploit code.

Sources

Also known as GHSA-5jv4-p54c-22j4.

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