CVE-2021-39981 Security feature bypass in HarmonyOS
Attackers can bypass caller ID restrictions to make anonymous calls on Huawei HarmonyOS devices, undermining privacy and accountability features.
- 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-2021-39981?
CVE-2021-39981 is a medium-severity 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
Chang Lian application has a vulnerability which can be maliciously exploited to hide the calling number.Successful exploitation of this vulnerability allows you to make an anonymous call.
Which versions are affected by CVE-2021-39981?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2021-39981?
No fix has been published for CVE-2021-39981 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-39981 being exploited?
There is no known exploitation of CVE-2021-39981 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-w897-x6rf-c833.