CVE-2021-37022 Memory corruption in HarmonyOS
Heap-based buffer overflow in Huawei HarmonyOS allows attackers to escalate privileges to root.
- 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-2021-37022?
CVE-2021-37022 is a critical memory corruption vulnerability in Huawei Harmonyos, published on 23 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause root permission which can be escalated.
Weakness: CWE-787
Which versions are affected by CVE-2021-37022?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2021-37022?
No fix has been published for CVE-2021-37022 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-2021-37022 being exploited?
There is no known exploitation of CVE-2021-37022 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-cgv7-mrmg-p534.