CVE-2021-22484 Denial of service in HarmonyOS
Attackers can cause a server out-of-memory condition in Huawei wearables by exploiting improper data size verification during reading operations.
- 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-2021-22484?
CVE-2021-22484 is a high-severity denial of service vulnerability in Huawei Harmonyos, published on 28 Dec 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data.
Successful exploitation of this vulnerability may cause a server out of memory (OOM).
Which versions are affected by CVE-2021-22484?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2021-22484?
No fix has been published for CVE-2021-22484 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-2021-22484 being exploited?
There is no known exploitation of CVE-2021-22484 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-5g7g-x455-7hxw.