CVE-2021-46852 Auth bypass in EMUI

High 7.5 Published Updated

Attackers can bypass authentication logic in the memory management module to access confidential data 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-2021-46852?

CVE-2021-46852 is a high-severity authentication bypass vulnerability in Huawei Emui, published on 9 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The memory management module has the logic bypass vulnerability. Successful exploitation of this vulnerability may affect data confidentiality.

Weakness: CWE-306

Which versions are affected by CVE-2021-46852?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2021-46852?

No fix has been published for CVE-2021-46852 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-46852 being exploited?

There is no known exploitation of CVE-2021-46852 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-pwj7-fchp-w69q.

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