Out-of-bounds Read in Huawei Emui

CVE-2021-40019

Out-of-bounds heap read vulnerability in the HW_KEYMASTER module. Successful exploitation of this vulnerability may cause out-of-bounds access.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (42.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Huawei Emui — versions 12.0.0, 10.1.0, 10.1.1
Huawei Magic_ui — versions 3.1.0, 3.1.1

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40019?: CVE-2021-40019 is a critical-severity vulnerability in Huawei Emui, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2022-09-16.
How severe is CVE-2021-40019?: Critical severity. CVSS v3 base score is 9.1 out of 10.