CVE-2021-40020 Information disclosure in EMUI
An out-of-bounds array read in the security storage module allows attackers to compromise service confidentiality on Huawei smartphones.
- 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-2021-40020?
CVE-2021-40020 is a high-severity vulnerability in Huawei Emui, published on 7 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is an Out-of-bounds array read vulnerability in the security storage module in smartphones. Successful exploitation of this vulnerability may affect service confidentiality.
Weakness: CWE-125
Which versions are affected by CVE-2021-40020?
It affects 2 products.
Products include Huawei Emui, Huawei Magic Ui.
How do I fix CVE-2021-40020?
No fix has been published for CVE-2021-40020 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-40020 being exploited?
There is no known exploitation of CVE-2021-40020 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-7q5j-32q8-c3qg.