Integer overflow in Huawei Emui

CVE-2021-40054

There is an integer underflow vulnerability in the atcmdserver module. Successful exploitation of this vulnerability may affect integrity.

EPSS: 0.006 (46.2th 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:N/I:H/A:N.

Affected products

Huawei Emui — versions 12.0.0, 11.0.1, 11.0.0
Huawei Magic Ui — versions 4.0.0, 3.1.1, 3.1.0
Huawei Magic_ui — versions 3.0.0, 3.1.0, 3.1.1

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40054?: CVE-2021-40054 is a high-severity vulnerability in Huawei Emui, classified under Integer Underflow. CVSS score: 7.5/10. Published 2022-03-10.
How severe is CVE-2021-40054?: High severity. CVSS v3 base score is 7.5 out of 10.