How severe is CVE-2021-37031?

CVE-2021-37031 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-37031 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37031?

CVE-2021-37031 primarily affects Huawei Emui. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-37031?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-37031 published?

CVE-2021-37031 was published on 2021-11-23 and last updated on 2026-06-17.

CVE-2021-37031

CVE-2021-37031 is a high-severity vulnerability in Huawei Emui with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Huawei Emui
Published: 2021-11-23
Last modified: 2026-06-17

Description

There is a Remote DoS vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause the app to exit unexpectedly.

Frequently asked questions

What is CVE-2021-37031?: There is a Remote DoS vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause the app to exit unexpectedly.
How severe is CVE-2021-37031?: CVE-2021-37031 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-37031 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37031?: CVE-2021-37031 primarily affects Huawei Emui. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-37031?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-37031 published?: CVE-2021-37031 was published on 2021-11-23 and last updated on 2026-06-17.

References

https://consumer.huawei.com/en/support/bulletin/2021/8/

Affected products (2)

cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:*

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