CVE-2021-40004 Missing authorization in HarmonyOS
Attackers can exploit permission management flaws in the cellular module to access confidential data on Huawei HarmonyOS 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-2021-40004?
CVE-2021-40004 is a high-severity missing authorization vulnerability in Huawei Harmonyos, published on 7 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The cellular module has a vulnerability in permission management. Successful exploitation of this vulnerability may affect data confidentiality.
Weakness: CWE-276
Which versions are affected by CVE-2021-40004?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2021-40004?
No fix has been published for CVE-2021-40004 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-40004 being exploited?
There is no known exploitation of CVE-2021-40004 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-jxxv-cgcp-wx2x.