What is CVE-2021-40011?

CVE-2021-40011 is a high-severity vulnerability in Huawei Emui, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-01-10.

How severe is CVE-2021-40011?

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

Resource exhaustion in Huawei Emui

CVE-2021-40011

There is an uncontrolled resource consumption vulnerability in the display module. Successful exploitation of this vulnerability may affect integrity.

Vulnerability class: DoS (Denial of Service)

Published 2022-01-10 · 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:H/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Huawei Emui — versions 9.1.0, 9.1.1, 10.0.0
Huawei Harmonyos — versions 2.0
Huawei Magic Ui — versions 2.1.1, 3.0.0, 3.1.0
Emui;magic Ui;harmonyos — versions EMUI 12.0.0,EMUI 11.0.0,EMUI 10.1.1,EMUI 10.1.0,EMUI 10.0.0,EMUI 9.1.1,EMUI 9.1.0, Magic UI 4.0.0,Magic UI 3.1.1,Magic UI 3.1.0,Magic UI 3.0.0,Magic UI 2.1.1, HarmonyOS 2.0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

consumer.huawei.com/en/support/bulletin/2022/1/ (Vendor Advisory)
consumer.huawei.com/en/support/bulletin/2022/3/ (Vendor Advisory)
device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0… (Vendor Advisory)

Frequently asked questions

What is CVE-2021-40011?: CVE-2021-40011 is a high-severity vulnerability in Huawei Emui, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-01-10.
How severe is CVE-2021-40011?: High severity. CVSS v3 base score is 7.5 out of 10.