How severe is CVE-2024-56439?

CVE-2024-56439 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-56439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-56439?

CVE-2024-56439 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-56439?

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-2024-56439 have an EU (EUVD) identifier?

Yes. CVE-2024-56439 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-53148.

When was CVE-2024-56439 published?

CVE-2024-56439 was published on 2025-01-08 and last updated on 2026-06-17.

CVE-2024-56439

CVE-2024-56439 is a high-severity vulnerability in Huawei Harmonyos 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-311.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-53148
Weakness: CWE-311
Affected product: Huawei Harmonyos
Published: 2025-01-08
Last modified: 2026-06-17

Description

Access control vulnerability in the identity authentication module Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Frequently asked questions

What is CVE-2024-56439?: Access control vulnerability in the identity authentication module Impact: Successful exploitation of this vulnerability may affect service confidentiality.
How severe is CVE-2024-56439?: CVE-2024-56439 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-56439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-56439?: CVE-2024-56439 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-56439?: 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-2024-56439 have an EU (EUVD) identifier?: Yes. CVE-2024-56439 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-53148.
When was CVE-2024-56439 published?: CVE-2024-56439 was published on 2025-01-08 and last updated on 2026-06-17.

References

https://consumer.huawei.com/en/support/bulletin/2025/1/

Affected products (1)

cpe:2.3:o:huawei:harmonyos:5.0.0:*:*:*:*:*:*:*

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