CVE-2021-22420 Security feature bypass in HarmonyOS
Local attackers can bypass the application trustlist mechanism in HarmonyOS, undermining system security controls.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-22420?
CVE-2021-22420 is a high-severity vulnerability in Huawei Harmonyos, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A component of the HarmonyOS has a External Control of System or Configuration Setting vulnerability. Local attackers may exploit this vulnerability to cause the underlying trust of the application trustlist mechanism is missing..
Weakness: CWE-668
Which versions are affected by CVE-2021-22420?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2021-22420?
No fix has been published for CVE-2021-22420 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-22420 being exploited?
There is no known exploitation of CVE-2021-22420 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-rwfm-qq63-7jqr.