CVE-2021-46740 Auth bypass in EMUI
A design defect in the device authentication service allows attackers to bypass authentication, potentially compromising data confidentiality 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-2021-46740?
CVE-2021-46740 is a high-severity authentication bypass vulnerability in Huawei Emui, published on 11 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The device authentication service module has a defect vulnerability introduced in the design process.Successful exploitation of this vulnerability may affect data confidentiality.
Weakness: CWE-287
Which versions are affected by CVE-2021-46740?
It affects 2 products.
Products include Huawei Emui, Huawei Harmonyos.
How do I fix CVE-2021-46740?
No fix has been published for CVE-2021-46740 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-2021-46740 being exploited?
There is no known exploitation of CVE-2021-46740 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-f325-4mjv-m66r.