How severe is CVE-2023-4566?

CVE-2023-4566 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 high, integrity none, and availability none.

Is CVE-2023-4566 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4566?

CVE-2023-4566 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-2023-4566?

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.

Does CVE-2023-4566 have an EU (EUVD) identifier?

Yes. CVE-2023-4566 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54421.

When was CVE-2023-4566 published?

CVE-2023-4566 was published on 2024-01-16 and last updated on 2026-06-17.

CVE-2023-4566

CVE-2023-4566 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-290.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-54421
Weakness: CWE-290
Affected product: Huawei Emui
Published: 2024-01-16
Last modified: 2026-06-17

Description

Vulnerability of trust relationships being inaccurate in distributed scenarios. Successful exploitation of this vulnerability may affect service confidentiality.

Frequently asked questions

What is CVE-2023-4566?: Vulnerability of trust relationships being inaccurate in distributed scenarios. Successful exploitation of this vulnerability may affect service confidentiality.
How severe is CVE-2023-4566?: CVE-2023-4566 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 high, integrity none, and availability none.
Is CVE-2023-4566 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4566?: CVE-2023-4566 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-2023-4566?: 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.
Does CVE-2023-4566 have an EU (EUVD) identifier?: Yes. CVE-2023-4566 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54421.
When was CVE-2023-4566 published?: CVE-2023-4566 was published on 2024-01-16 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:huawei:emui:13.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:3.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:3.1.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:4.0.0:*:*:*:*:*:*:*

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