CVE-2021-40055 Other in EMUI

Medium 5.9 Published Updated

Attackers can compromise system update integrity via man-in-the-middle attacks during recovery mode downloads on Huawei devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-40055?

CVE-2021-40055 is a medium-severity vulnerability in Huawei Emui, published on 7 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is a man-in-the-middle attack vulnerability during system update download in recovery mode. Successful exploitation of this vulnerability may affect integrity.

Which versions are affected by CVE-2021-40055?

It affects 3 products.

Products include Huawei Emui, Huawei Harmonyos, Huawei Magic Ui.

How do I fix CVE-2021-40055?

No fix has been published for CVE-2021-40055 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-40055 being exploited?

There is no known exploitation of CVE-2021-40055 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-922x-wr7x-r9pf.

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