What is CVE-2021-37021?

CVE-2021-37021 is a critical-severity vulnerability in Huawei Emui, classified under Out-of-bounds Write. CVSS score: 9.1/10. Published 2021-12-07.

How severe is CVE-2021-37021?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Buffer overflow in Huawei Emui

CVE-2021-37021

There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to Out-of-bounds read.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.0th 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 10.1.0, 10.1.1, 11.0.0
Huawei Harmonyos — versions 2.0
Huawei Magic_ui — versions 3.1.0, 3.1.1, 4.0.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-37021?: CVE-2021-37021 is a critical-severity vulnerability in Huawei Emui, classified under Out-of-bounds Write. CVSS score: 9.1/10. Published 2021-12-07.
How severe is CVE-2021-37021?: Critical severity. CVSS v3 base score is 9.1 out of 10.