CVE-2021-22433 Memory corruption in EMUI
An out-of-bounds memory access in Huawei smartphones allows attackers to execute malicious code, requiring OS updates.
- 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-2021-22433?
CVE-2021-22433 is a critical memory corruption vulnerability in Huawei Emui, published on 25 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is a memory address out of bounds in smartphones. Successful exploitation of this vulnerability may cause malicious code to be executed.
Weakness: CWE-119
Which versions are affected by CVE-2021-22433?
It affects 3 products.
Products include Huawei Emui, Huawei Harmonyos, Huawei Magic Ui.
How do I fix CVE-2021-22433?
No fix has been published for CVE-2021-22433 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-22433 being exploited?
There is no known exploitation of CVE-2021-22433 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-fmfc-9crx-hjfr.