How severe is CVE-2025-20091?

CVE-2025-20091 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-20091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-20091?

CVE-2025-20091 affects Openatom Openharmony. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-20091?

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

Does CVE-2025-20091 have an EU (EUVD) identifier?

Yes. CVE-2025-20091 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7578.

When was CVE-2025-20091 published?

CVE-2025-20091 was published on 2025-03-04 and last updated on 2026-06-17.

CVE-2025-20091

CVE-2025-20091 is a low-severity vulnerability in Openatom Openharmony with a CVSS 3.x base score of 3.8. 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-416.

Key facts

Severity: Low (CVSS 3.x base score 3.8)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7578
Weakness: CWE-416
Affected product: Openatom Openharmony
Published: 2025-03-04
Last modified: 2026-06-17

Description

in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through use after free. This vulnerability can be exploited only in restricted scenarios.

Frequently asked questions

What is CVE-2025-20091?: in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through use after free. This vulnerability can be exploited only in restricted scenarios.
How severe is CVE-2025-20091?: CVE-2025-20091 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-20091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-20091?: CVE-2025-20091 affects Openatom Openharmony. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-20091?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-20091 have an EU (EUVD) identifier?: Yes. CVE-2025-20091 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7578.
When was CVE-2025-20091 published?: CVE-2025-20091 was published on 2025-03-04 and last updated on 2026-06-17.

References

https://gitee.com/openharmony/security/blob/master/zh/security-disclosure/2025/2025-03.md

Affected products (1)

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

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