What is CVE-2021-46789?

CVE-2021-46789 is a high-severity vulnerability in Huawei Emui. CVSS score: 7.5/10. Published 2022-05-13.

How severe is CVE-2021-46789?

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

Vulnerability in Huawei Emui

CVE-2021-46789

Configuration defects in the secure OS module. Successful exploitation of this vulnerability can affect availability.

Published 2022-05-13 · 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: 0.007 (49.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% 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: 0.007 · change: +0.000

Affected products

Huawei Emui — versions 10.0.0, 10.1.0, 10.1.1
Huawei Magic Ui — versions 3.0.0, 3.1.0, 3.1.1
Emui;magic Ui — versions EMUI 10.0.0, EMUI 10.1.0, EMUI 10.1.1, EMUI 11.0.1, EMUI 12.0.0, Magic UI 3.0.0, Magic UI 3.1.0, Magic UI 3.1.1

References

consumer.huawei.com/en/support/bulletin/2022/5/ (Vendor Advisory)
consumer.huawei.com/en/support/bulletin/2022/6/ (Vendor Advisory)

Frequently asked questions

What is CVE-2021-46789?: CVE-2021-46789 is a high-severity vulnerability in Huawei Emui. CVSS score: 7.5/10. Published 2022-05-13.
How severe is CVE-2021-46789?: High severity. CVSS v3 base score is 7.5 out of 10.