What is CVE-2021-40057?

CVE-2021-40057 is a high-severity vulnerability in Huawei Emui, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-03-10.

How severe is CVE-2021-40057?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Huawei Emui

CVE-2021-40057

There is a heap-based and stack-based buffer overflow vulnerability in the video framework. Successful exploitation of this vulnerability may affect availability.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (51.2th 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:N/A:H.

Affected products

Huawei Emui — versions 10.1.0, 10.1.1, 10.0.0
Huawei Magic Ui — versions 3.1.1, 3.1.0
Huawei Magic_ui — versions 3.0.0, 3.1.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40057?: CVE-2021-40057 is a high-severity vulnerability in Huawei Emui, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-03-10.
How severe is CVE-2021-40057?: High severity. CVSS v3 base score is 7.5 out of 10.