What is CVE-2021-46881?

CVE-2021-46881 is a high-severity vulnerability in Huawei Emui, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-05-26.

How severe is CVE-2021-46881?

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

Buffer overflow in Huawei Emui

CVE-2021-46881

The video framework has memory overwriting caused by addition overflow. Successful exploitation of this vulnerability may affect availability.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (35.6th 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 12.0.1, 12.0.0, 11.0.0
Huawei Harmonyos — versions 2.1.0, 2.0.1, 2.0.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2021-46881?: CVE-2021-46881 is a high-severity vulnerability in Huawei Emui, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-05-26.
How severe is CVE-2021-46881?: High severity. CVSS v3 base score is 7.5 out of 10.