What is CVE-2021-40009?

CVE-2021-40009 is a medium-severity vulnerability in Huawei Emui, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2022-01-10.

How severe is CVE-2021-40009?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Huawei Emui

CVE-2021-40009

There is an Out-of-bounds write vulnerability in the AOD module in smartphones. Successful exploitation of this vulnerability may affect service integrity.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (47.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Huawei Emui — versions 12.0.0, 11.0.0
Huawei Harmonyos — versions 2.0
Huawei Magic Ui — versions 4.0.0
Huawei Magic_ui — versions 4.0.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)
psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40009?: CVE-2021-40009 is a medium-severity vulnerability in Huawei Emui, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2022-01-10.
How severe is CVE-2021-40009?: Medium severity. CVSS v3 base score is 5.3 out of 10.