CVE-2021-37188 Security feature bypass in n/a

High 8.8 Published 10 Dec 2021 Updated 4 Aug 2024

Authenticated attackers can load unauthorized firmware on Digi TransPort devices due to missing bootloader verification, enabling persistent control.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-37188?

CVE-2021-37188 is a high-severity vulnerability in n/a, published on 10 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-345

Which versions are affected by CVE-2021-37188?

It affects 8 products.

Products include Digi Transport Dr64 Firmware, Digi Transport Vc74 Firmware, Digi Transport Wr11 Firmware, Digi Transport Wr11 Xt Firmware, Digi Transport Wr21 Firmware, Digi Transport Wr31 Firmware and 2 more.

How do I fix CVE-2021-37188?

No fix has been published for CVE-2021-37188 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-37188 being exploited?

There is no known exploitation of CVE-2021-37188 in the wild and no public exploit code.

Sources

Also known as GHSA-v69j-xjp2-jhm8.