CVE-2021-27273: NETGEAR ProSAFE Network Management System SettingConfigController fileName Command Injection Remote Code Execution Vulnerability

Published Mar 29, 2021
·
Updated

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.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Network Management System. 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.

Affected Software

2 affected components
Netgear ProSAFE Network Management System=1.6.0.26
Netgear ProSAFE Network Management System

Event History

Mar 29, 2021
CVE Published
via MITRE·08:55 PM
Data Sourced
via MITRE·08:55 PM
DescriptionSeverityWeakness
Feb 23, 2025
Advisory Published
via ZDI·04:03 PM

Frequently Asked Questions

1

What is CVE-2021-27273?

CVE-2021-27273 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26.

2

What is the severity of CVE-2021-27273?

The severity of CVE-2021-27273 is critical with a severity value of 8.8.

3

How does CVE-2021-27273 affect NETGEAR ProSAFE Network Management System?

CVE-2021-27273 affects installations of NETGEAR ProSAFE Network Management System 1.6.0.26.

4

Is authentication required to exploit CVE-2021-27273?

Yes, authentication is required to exploit CVE-2021-27273, but the existing authentication mechanism can be bypassed.

5

How can I fix CVE-2021-27273?

To fix CVE-2021-27273, apply the necessary security patches or updates provided by NETGEAR.

Contact

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