What is CVE-2023-4149?

CVE-2023-4149 is a vulnerability in the web-based management of WAGO devices that allows an unauthenticated remote attacker to inject arbitrary system commands and gain full system control.

How severe is CVE-2023-4149?

CVE-2023-4149 has a severity rating of 9.8 out of 10 (critical).

Which software versions are affected by CVE-2023-4149?

CVE-2023-4149 affects Wago 0852-0602 Firmware version up to 1.0.6.s0, Wago 0852-0603 Firmware version up to 1.0.6.s0, and Wago 0852-1605 Firmware version up to 1.2.5.s0.

How can an attacker exploit CVE-2023-4149?

An attacker can exploit CVE-2023-4149 by sending malicious requests to the web-based management interface, which allows them to inject arbitrary system commands and gain full system control.

Is there a fix available for CVE-2023-4149?

It is recommended to update the firmware of affected devices to a version that addresses the vulnerability. Please refer to the vendor's website for the latest firmware updates.

Vulnerability/
CVE-2023-4149

critical

9.8

CWE

21/11/2023

29/11/2023

CVE-2023-4149: WAGO: OS Command Injection Vulnerability in Managed Switch

First published: Tue Nov 21 2023(Updated: )

A vulnerability in the web-based management allows an unauthenticated remote attacker to inject arbitrary system commands and gain full system control. Those commands are executed with root privileges. The vulnerability is located in the user request handling of the web-based management.

Credit: info@cert.vde.com

Affected Software	Affected Version	How to fix
All of
Wago 0852-0602 Firmware	<1.0.6.s0
Wago 0852-0602
All of
Wago 0852-0603 Firmware	<1.0.6.s0
Wago 0852-0603
All of
Wago 0852-1605 Firmware	<1.2.5.s0
Wago 0852-1605

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Reference Links

https://cert.vde.com/en/advisories/VDE-2023-037

Frequently Asked Questions

What is CVE-2023-4149?
CVE-2023-4149 is a vulnerability in the web-based management of WAGO devices that allows an unauthenticated remote attacker to inject arbitrary system commands and gain full system control.
How severe is CVE-2023-4149?
CVE-2023-4149 has a severity rating of 9.8 out of 10 (critical).
Which software versions are affected by CVE-2023-4149?
CVE-2023-4149 affects Wago 0852-0602 Firmware version up to 1.0.6.s0, Wago 0852-0603 Firmware version up to 1.0.6.s0, and Wago 0852-1605 Firmware version up to 1.2.5.s0.
How can an attacker exploit CVE-2023-4149?
An attacker can exploit CVE-2023-4149 by sending malicious requests to the web-based management interface, which allows them to inject arbitrary system commands and gain full system control.
Is there a fix available for CVE-2023-4149?
It is recommended to update the firmware of affected devices to a version that addresses the vulnerability. Please refer to the vendor's website for the latest firmware updates.

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Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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