CVE-2021-40040

State: Published
Severity: 7.5 High
Published: Aug 9, 2022
Updated: Mar 6, 2026
Reserved: Aug 23, 2021

Description

Vulnerability of writing data to an arbitrary address in the HW_KEYMASTER module. Successful exploitation of this vulnerability may affect confidentiality.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	CISA-ADP

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
HarmonyOS;EMUI;Magic UIn/a	HarmonyOS 2.0Affected EMUI 11.0.0,EMUI 10.1.1,EMUI 10.1.0,EMUI 10.0.0Affected Magic UI 4.0.0,Magic UI 3.1.1,Magic UI 3.1.0,Magic UI 3.0.0Affected

References

https://consumer.huawei.com/en/support/bulletin/2022/8/
https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202209-0000001392278845

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