What is CVE-2021-22386?

CVE-2021-22386 is a high-severity vulnerability in Huawei Emui, classified under Double Free. CVSS score: 7.0/10. Published 2021-08-10.

How severe is CVE-2021-22386?

High severity. CVSS v3 base score is 7.0 out of 10.

Double Free in Huawei Emui

CVE-2021-22386

A component of the Huawei smartphone has a Double Free vulnerability. Local attackers may exploit this vulnerability to cause Root Elevation of Privileges.

Vulnerability class: Double Free

EPSS: 0.002 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Huawei Emui — versions 11.0.0
Huawei Magic_ui — versions 4.0.0
N/a Emui;magic Ui;harmonyos — versions EMUI 11.0.0, Magic UI 4.0.0, HarmonyOS 2.0

Weakness classification (CWE)

CWE-415 — Double Free

References

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

Frequently asked questions

What is CVE-2021-22386?: CVE-2021-22386 is a high-severity vulnerability in Huawei Emui, classified under Double Free. CVSS score: 7.0/10. Published 2021-08-10.
How severe is CVE-2021-22386?: High severity. CVSS v3 base score is 7.0 out of 10.