CVE-2021-37188: High severity digi transport vulnerability

Published Dec 10, 2021
·
Updated

An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may load customized firmware (because the bootloader does not verify that it is authentic), changing the behavior of the gateway.

Affected Software

20 affected components
Digi Transport Dr64 Firmware<=5.2.4.9
Digi TransPort DR64
Digi Transport Dr64 Firmware
Digi Transport Sr44
Digi Transport Vc74 Firmware<=5.2.4.9
Digi Transport Vc74
Digi Transport Wr11 Firmware<=8.2.1.3
Digi Transport Wr11
Digi Transport Wr11 Xt Firmware<=8.2.1.3
Digi Transport Wr11 Xt
Digi Transport Wr21 Firmware<=8.2.1.3
Digi TransPort WR21
Digi Transport Wr31 Firmware<=8.2.1.3
Digi Transport Wr31
Digi Transport Wr41 Firmware>=5.0.0.0<=5.2.4.6
Digi Transport Wr41 Firmware>=6.0.0.0<=6.1.3.5
Digi Transport Wr41 Firmware>=8.0.0.0<=8.3.1.2
Digi Transport Wr41
Digi Transport Wr44 Firmware<=8.3.1.2
Digi Transport Wr44=v2

Event History

Dec 10, 2021
CVE Published
via MITRE·12:46 PM
Data Sourced
via MITRE·12:46 PM
Description
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Frequently Asked Questions

1

What is CVE-2021-37188?

CVE-2021-37188 is a vulnerability discovered on Digi TransPort devices that allows an authenticated attacker to load customized firmware and change the behavior of the gateway.

2

How does CVE-2021-37188 affect Digi TransPort devices?

CVE-2021-37188 affects Digi TransPort devices through 2021-07-21 by allowing an authenticated attacker to load customized firmware and change the behavior of the gateway.

3

What is the severity of CVE-2021-37188?

CVE-2021-37188 has a severity value of 8.8, indicating a high severity.

4

Which versions of Digi TransPort devices are affected by CVE-2021-37188?

Digi TransPort devices with Digi Transport Dr64 Firmware version up to 5.2.4.9 and Digi Transport Wr41 Firmware versions between 5.0.0.0 and 5.2.4.6, 6.0.0.0 and 6.1.3.5, or 8.0.0.0 and 8.3.1.2 are affected by CVE-2021-37188.

5

How can I fix CVE-2021-37188 on my Digi TransPort device?

To fix CVE-2021-37188, it is recommended to update the firmware of your Digi TransPort device to a version that resolves the vulnerability.

Contact

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