CVE-2021-37039 Denial of service in EMUI
Attackers can cause a Bluetooth denial of service on Huawei smartphones via input verification flaws in the operating system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-37039?
CVE-2021-37039 is a medium-severity denial of service vulnerability in Huawei Emui, published on 8 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
There is an Input verification vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause Bluetooth DoS.
Weakness: CWE-20
Which versions are affected by CVE-2021-37039?
It affects 3 products.
Products include Huawei Emui, Huawei Harmonyos, Huawei Magic Ui.
How do I fix CVE-2021-37039?
No fix has been published for CVE-2021-37039 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-2021-37039 being exploited?
There is no known exploitation of CVE-2021-37039 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-qqmp-4mv9-hvqq.