What is CVE-2021-37030?

CVE-2021-37030 is a high-severity vulnerability in Huawei Emui, classified under Incorrect Default Permissions. CVSS score: 7.5/10. Published 2021-11-23.

How severe is CVE-2021-37030?

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

Vulnerability in Huawei Emui

CVE-2021-37030

There is an Improper permission vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may affect service availability.

Published 2021-11-23 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.006 (48.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Huawei Emui — versions 11.0.0, 10.1.1, 10.1.0
Huawei Magic Ui — versions 4.0.0, 3.1.1, 3.1.0
Huawei Magic Ui — versions 2.1.1, 3.0.0, 3.1.0

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

consumer.huawei.com/en/support/bulletin/2021/8/ (Vendor Advisory)

Frequently asked questions

What is CVE-2021-37030?: CVE-2021-37030 is a high-severity vulnerability in Huawei Emui, classified under Incorrect Default Permissions. CVSS score: 7.5/10. Published 2021-11-23.
How severe is CVE-2021-37030?: High severity. CVSS v3 base score is 7.5 out of 10.