CVE-2021-40040

Published: Aug 10, 2022Modified: Mar 6, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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

Affected (9)

Products: Huawei: Emui, Harmonyos, Magic Ui

3 products

Configuration A

9 vulnerable

Vulnerable Software	Affected Versions
Huawei Emui	Version 10.0.0
Huawei Emui	Version 10.1.0
Huawei Emui	Version 10.1.1
Huawei Emui	Version 11.0.0
Huawei Harmonyos	Version 2.0
Huawei Magic Ui	Version 3.0.0
Huawei Magic Ui	Version 3.1.0
Huawei Magic Ui	Version 3.1.1
Huawei Magic Ui	Version 4.0.0

References (4)

https://consumer.huawei.com/en/support/bulletin/2022/8/

Source: psirt@huawei.com

Vendor Advisory

https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202209-0000001392278845

Source: psirt@huawei.com

Vendor Advisory

https://consumer.huawei.com/en/support/bulletin/2022/8/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202209-0000001392278845

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.