CVE-2021-39983 Denial of service in HarmonyOS
A data processing error in the HwNearbyMain module allows attackers to cause a process restart, resulting in a denial of service.
- 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-2021-39983?
CVE-2021-39983 is a high-severity denial of service vulnerability in Huawei Harmonyos, published on 3 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The HwNearbyMain module has a Data Processing Errors vulnerability.Successful exploitation of this vulnerability may cause a process to restart.
Which versions are affected by CVE-2021-39983?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2021-39983?
No fix has been published for CVE-2021-39983 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-2021-39983 being exploited?
There is no known exploitation of CVE-2021-39983 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-hfmq-f7g7-4h39.