How severe is CVE-2025-31171?

CVE-2025-31171 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2025-31171 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-31171?

CVE-2025-31171 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-31171?

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

Does CVE-2025-31171 have an EU (EUVD) identifier?

Yes. CVE-2025-31171 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9947.

When was CVE-2025-31171 published?

CVE-2025-31171 was published on 2025-04-07 and last updated on 2026-06-17.

CVE-2025-31171

CVE-2025-31171 is a medium-severity vulnerability in Huawei Harmonyos with a CVSS 3.x base score of 6.8. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-9947
Weakness: CWE-862
Affected product: Huawei Harmonyos
Published: 2025-04-07
Last modified: 2026-06-17

Description

File read permission bypass vulnerability in the kernel file system module Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Frequently asked questions

What is CVE-2025-31171?: File read permission bypass vulnerability in the kernel file system module Impact: Successful exploitation of this vulnerability may affect service confidentiality.
How severe is CVE-2025-31171?: CVE-2025-31171 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2025-31171 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-31171?: CVE-2025-31171 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-31171?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-31171 have an EU (EUVD) identifier?: Yes. CVE-2025-31171 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9947.
When was CVE-2025-31171 published?: CVE-2025-31171 was published on 2025-04-07 and last updated on 2026-06-17.

References

https://consumer.huawei.com/en/support/bulletin/2025/6/

Affected products (1)

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

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