Vulnerability in Huawei Emui

CVE-2021-40040

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

EPSS: 0.005 (38.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

  • Huawei Emui — versions 10.0.0, 10.1.0, 10.1.1
  • Huawei Harmonyos — versions 2.0
  • Huawei Magic_ui — versions 3.0.0, 3.1.0, 3.1.1
  • N/a Harmonyos;emui;magic Ui — versions HarmonyOS 2.0, EMUI 11.0.0,EMUI 10.1.1,EMUI 10.1.0,EMUI 10.0.0, Magic UI 4.0.0,Magic UI 3.1.1,Magic UI 3.1.0,Magic UI 3.0.0

References

Frequently asked questions

What is CVE-2021-40040?
CVE-2021-40040 is a high-severity vulnerability in Huawei Emui. CVSS score: 7.5/10. Published 2022-08-10.
How severe is CVE-2021-40040?
High severity. CVSS v3 base score is 7.5 out of 10.