How severe is CVE-2021-22373?

CVE-2021-22373 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2021-22373 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-2021-22373?

CVE-2021-22373 primarily affects Huawei Emui. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22373?

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

When was CVE-2021-22373 published?

CVE-2021-22373 was published on 2021-06-30 and last updated on 2026-06-17.

CVE-2021-22373

CVE-2021-22373 is a critical-severity vulnerability in Huawei Emui with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Huawei Emui
Published: 2021-06-30
Last modified: 2026-06-17

Description

There is a Defects Introduced in the Design Process Vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may affect service integrity and availability.

Frequently asked questions

What is CVE-2021-22373?: There is a Defects Introduced in the Design Process Vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may affect service integrity and availability.
How severe is CVE-2021-22373?: CVE-2021-22373 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2021-22373 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-2021-22373?: CVE-2021-22373 primarily affects Huawei Emui. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22373?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-22373 published?: CVE-2021-22373 was published on 2021-06-30 and last updated on 2026-06-17.

References

https://consumer.huawei.com/en/support/bulletin/2021/5/

Affected products (4)

cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:*
cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:*

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