CVE-2021-22399 Denial of service in HUAWEI P30
Attackers can crash the Bluetooth module on Huawei smartphones by sending specific broadcasts via third-party apps, causing a denial of service.
- 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-2021-22399?
CVE-2021-22399 is a medium-severity denial of service vulnerability in HUAWEI P30, published on 13 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Bluetooth function of some Huawei smartphones has a DoS vulnerability. Attackers can install third-party apps to send specific broadcasts, causing the Bluetooth module to crash. This vulnerability is successfully exploited to cause the Bluetooth function to become abnormal. Affected product versions include: HUAWEI P30 10.0.0.195(C432E22R2P5), 10.0.0.200(C00E85R2P11), 10.0.0.200(C461E6R3P1), 10.0.0.201(C10E7R5P1), 10.0.0.201(C185E4R7P1), 10.0.0.206(C605E19R1P3), 10.0.0.209(C636E6R3P4), 10.0.0.210(C635E3R2P4), and versions earlier than 10.1.0.165(C01E165R2P11).
Which versions are affected by CVE-2021-22399?
It affects 1 product.
Products include Huawei P30 Firmware.
How do I fix CVE-2021-22399?
No fix has been published for CVE-2021-22399 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-2021-22399 being exploited?
There is no known exploitation of CVE-2021-22399 in the wild and no public exploit code.
Other vulnerabilities in HUAWEI P30
Sources
Also known as GHSA-wwhm-fhm5-grjm.