How severe is CVE-2025-27242?

CVE-2025-27242 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 none, integrity none, and availability low.

Is CVE-2025-27242 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27242?

CVE-2025-27242 affects Openatom Openharmony. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27242?

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

Does CVE-2025-27242 have an EU (EUVD) identifier?

Yes. CVE-2025-27242 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17387.

When was CVE-2025-27242 published?

CVE-2025-27242 was published on 2025-06-08 and last updated on 2026-06-17.

CVE-2025-27242

CVE-2025-27242 is a low-severity vulnerability in Openatom Openharmony 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-17387
Weakness: CWE-20
Affected product: Openatom Openharmony
Published: 2025-06-08
Last modified: 2026-06-17

Description

in OpenHarmony v5.0.3 and prior versions allow a local attacker cause DOS through improper input.

Frequently asked questions

What is CVE-2025-27242?: in OpenHarmony v5.0.3 and prior versions allow a local attacker cause DOS through improper input.
How severe is CVE-2025-27242?: CVE-2025-27242 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 none, integrity none, and availability low.
Is CVE-2025-27242 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27242?: CVE-2025-27242 affects Openatom Openharmony. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27242?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27242 have an EU (EUVD) identifier?: Yes. CVE-2025-27242 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17387.
When was CVE-2025-27242 published?: CVE-2025-27242 was published on 2025-06-08 and last updated on 2026-06-17.

References

https://gitee.com/openharmony/security/blob/master/zh/security-disclosure/2025/2025-06.md

Affected products (1)

cpe:2.3:o:openatom:openharmony:*:*:*:*:-:*:*:*

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