Summary
Multiple issues have been found in the affected products. See CVE descriptions for details.
Details
Impact
These vulnerabilities may allow an attacker to DoS affected devices or access sensitive information or gain administrative access. See vulnerability descriptions for details.
Remediation
For all potential vulnerabilities, customers can download a patched firmware to secure their Modbus TCP/RTU Gateways properly.
Please download and install the latest firmware for your device by following the procedure below:
1. Go to [www.weidmueller.com](https://www.weidmueller.com) (external link).
2. Enter the product number of the Modbus TCP/RTU Gateway you want to update into the search field and press "Enter".
3. On the next page, expand the drop-down menu **"SHOW DOWNLOADS"**.
4. Download the respective firmware from the download table.
5. Install the firmware on your device.
Find below the appropriate patched firmware versions for all affected products:
| Product number | Product name | Patched firmware version |
|----------------|-------------------------------|------------------------------|
| 1504460000 | IE-GW-MB-2TX-1RS232/485 | V2.1 (Build 21072817) |
| 1504470000 | IE-GWT-MB-2TX-1RS232/485 | V2.1 (Build 21072817) |
Vulnerabilities 9
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Critical 9.8
An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB366…
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Critical 9.8
An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB366…
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High 8.8
An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB366…
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High 7.5
An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB366…
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High 7.5
An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB366…
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High 7.5
An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB366…
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Medium 6.5
An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB366…
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Medium 6.2
An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB366…
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Medium 5.3
An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB366…
Revision history
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#1
Initial revision.
References
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VDE-2022-008: WEIDMUELLER: Multiple vulnerabilities in Modbus TCP/RTU Gateways - HTML
https://certvde.com/en/advisories/VDE-2022-008/
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Vendor PSIRT
https://www.weidmueller.com
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CERT@VDE Security Advisories for Weidmueller Interface GmbH & Co. KG
https://certvde.com/en/advisories/vendor/weidmueller/