How severe is CVE-2021-22308?

CVE-2021-22308 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-22308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22308?

CVE-2021-22308 primarily affects Huawei Emui. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22308?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-22308 published?

CVE-2021-22308 was published on 2021-06-03 and last updated on 2026-06-17.

CVE-2021-22308

CVE-2021-22308 is a low-severity vulnerability in Huawei Emui with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 2.1
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Huawei Emui
Published: 2021-06-03
Last modified: 2026-06-17

Description

There is a Business Logic Errors vulnerability in Huawei Smartphone. The malicious apps installed on the device can keep taking screenshots in the background. This issue does not cause system errors, but may cause personal information leakage.

Frequently asked questions

What is CVE-2021-22308?: There is a Business Logic Errors vulnerability in Huawei Smartphone. The malicious apps installed on the device can keep taking screenshots in the background. This issue does not cause system errors, but may cause personal information leakage.
How severe is CVE-2021-22308?: CVE-2021-22308 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-22308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22308?: CVE-2021-22308 primarily affects Huawei Emui. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22308?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22308 published?: CVE-2021-22308 was published on 2021-06-03 and last updated on 2026-06-17.

References

https://consumer.huawei.com/en/support/bulletin/2021/2/

Affected products (8)

cpe:2.3:o:huawei:emui:10.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emui:10.1.0:*:*:*:*:*:*:*
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:3.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:magic_ui:3.1.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:*
cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:*

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