How severe is CVE-2022-34743?

CVE-2022-34743 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-2022-34743 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34743?

CVE-2022-34743 primarily affects Huawei Emui. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-34743?

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-2022-34743 published?

CVE-2022-34743 was published on 2022-07-12 and last updated on 2026-06-17.

CVE-2022-34743

CVE-2022-34743 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. The underlying weakness is classified as CWE-125.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Huawei Emui
Published: 2022-07-12
Last modified: 2026-06-17

Description

The AT commands of the USB port have an out-of-bounds read vulnerability. Successful exploitation of this vulnerability may affect system availability.

Frequently asked questions

What is CVE-2022-34743?: The AT commands of the USB port have an out-of-bounds read vulnerability. Successful exploitation of this vulnerability may affect system availability.
How severe is CVE-2022-34743?: CVE-2022-34743 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-2022-34743 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34743?: CVE-2022-34743 primarily affects Huawei Emui. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-34743?: 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-2022-34743 published?: CVE-2022-34743 was published on 2022-07-12 and last updated on 2026-06-17.

References

Affected products (9)

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:emui:11.0.1:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:*
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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