What is CVE-2021-22433?

CVE-2021-22433 is a critical-severity vulnerability in Huawei Emui, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2022-02-25.

How severe is CVE-2021-22433?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Huawei Emui

CVE-2021-22433

There is a memory address out of bounds in smartphones. Successful exploitation of this vulnerability may cause malicious code to be executed.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (53.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Huawei Emui — versions 11.0.0, 10.1.1, 10.1.0
Huawei Harmonyos — versions 2.0
Huawei Magic Ui — versions 4.0.0, 3.1.1, 3.1.0
Huawei Magic_ui — versions 4.0.0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

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

Frequently asked questions

What is CVE-2021-22433?: CVE-2021-22433 is a critical-severity vulnerability in Huawei Emui, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2022-02-25.
How severe is CVE-2021-22433?: Critical severity. CVSS v3 base score is 9.8 out of 10.