CVE-2021-40011 Denial of service in EMUI;Magic UI;HarmonyOS
Attackers can cause uncontrolled resource consumption in the display module, potentially leading to denial of service on Huawei devices.
- 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-2021-40011?
CVE-2021-40011 is a high-severity denial of service vulnerability in Huawei Emui, published on 7 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is an uncontrolled resource consumption vulnerability in the display module. Successful exploitation of this vulnerability may affect integrity.
Weakness: CWE-400
Which versions are affected by CVE-2021-40011?
It affects 3 products.
Products include Huawei Emui, Huawei Harmonyos, Huawei Magic Ui.
How do I fix CVE-2021-40011?
No fix has been published for CVE-2021-40011 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-2021-40011 being exploited?
There is no known exploitation of CVE-2021-40011 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-c6q9-x9fp-xmc6.