CVE-2022-27481: Race Condition

Published Apr 12, 2022
·
Updated

A vulnerability has been identified in SCALANCE W1788-1 M12 (All versions < V3.0.0), SCALANCE W1788-2 EEC M12 (All versions < V3.0.0), SCALANCE W1788-2 M12 (All versions < V3.0.0), SCALANCE W1788-2IA M12 (All versions < V3.0.0). Affected devices do not properly handle resources of ARP requests. This could allow an attacker to cause a race condition that leads to a crash of the entire device.

Affected Software

8 affected components
Siemens Scalance W1788-2ia M12 Firmware<3.0.0
Siemens Scalance W1788-2ia M12
Siemens Scalance W1788-2 M12 Firmware<3.0.0
Siemens SCALANCE W1788-2 M12
Siemens Scalance W1788-2 Eec M12 Firmware<3.0.0
Siemens SCALANCE W1788-2 EEC M12
Siemens Scalance W1788-1 M12 Firmware<3.0.0
Siemens Scalance W1788-1 M12

Event History

Apr 12, 2022
CVE Published
via MITRE·09:08 AM
Data Sourced
via MITRE·09:08 AM
DescriptionWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2022-27481?

The severity of CVE-2022-27481 is medium with a CVSS score of 5.3.

2

Which devices are affected by CVE-2022-27481?

SCALANCE W1788-1 M12, SCALANCE W1788-2 EEC M12, SCALANCE W1788-2 M12, and SCALANCE W1788-2IA M12 are affected by CVE-2022-27481.

3

What is the vulnerability description of CVE-2022-27481?

CVE-2022-27481 is a vulnerability in SCALANCE W1788-1 M12, SCALANCE W1788-2 EEC M12, SCALANCE W1788-2 M12, and SCALANCE W1788-2IA M12 devices where affected devices do not properly handle resources of ARP requests.

4

How can I fix CVE-2022-27481?

There is no fix available at the moment. It is recommended to follow the guidance provided by Siemens in their advisory.

5

Where can I find more information about CVE-2022-27481?

You can find more information about CVE-2022-27481 in the Siemens Product CERT advisory.

Contact

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