CVE-2021-22399

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-13 · updated 2026-06-17

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).

Affected products

HUAWEI P30: before 10.1.0.165\(c01e165r2p11\); 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) (+2) — fixed in 10.1.0.165\(c01e165r2p11\)

How to fix

Upgrade to a fixed version: HUAWEI P30 10.1.0.165\(c01e165r2p11\). Check the vendor advisory for mitigations.

References

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