CVE-2021-22399

Bluetooth service crash via crafted app broadcasts

Published Jul 13, 2021 · Updated Aug 3, 2024

Denial of service in the Bluetooth module of Huawei P30 firmware allows local users to crash Bluetooth through a third-party app. The module fails to safely handle specific broadcasts sent by the installed app and crashes while processing them. Exploitation requires installation and execution of an app on the handset; the reported consequence is interruption of Bluetooth functionality.

CVSS severity5.5
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in the Bluetooth module of Huawei P30 firmware allows local users to crash Bluetooth through a third-party app. The module fails to safely handle specific broadcasts sent by the installed app and crashes while processing them. Exploitation requires installation and execution of an app on the handset; the reported consequence is interruption of Bluetooth functionality.

The record

CVE
CVE-2021-22399
Published
Jul 13, 2021
Updated
Aug 3, 2024
Vendor
MindSpore
Product
Huawei P30
Classifications
T1499
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 13, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=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),Versions earlier than 10.1.0.165(C01E165R2P11)

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

MindSpore · Huawei P30version=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),Versions earlier than 10.1.0.165(C01E165R2P11)

Published CVSS scores

2.1NIST NVDAV:L/AC:L/Au:N/C:N/I:N/A:P
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5Huawei TechnologiesCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
5.1Huawei TechnologiesCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:F/RL:O/RC:C

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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