CVE-2021-37047 Denial of service in EMUI
Attackers can exploit input verification flaws in Huawei smartphones to cause service restarts, impacting device availability.
- 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-2021-37047?
CVE-2021-37047 is a high-severity denial of service vulnerability in Huawei Emui, published on 7 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is an Input verification vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause some services to restart.
Weakness: CWE-20
Which versions are affected by CVE-2021-37047?
It affects 2 products.
Products include Huawei Emui, Huawei Magic Ui.
How do I fix CVE-2021-37047?
No fix has been published for CVE-2021-37047 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-37047 being exploited?
There is no known exploitation of CVE-2021-37047 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-rvhw-67v9-6cg9.