Vulnerability in Openatom Openharmony

CVE-2025-25277

in OpenHarmony v5.1.0 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through using incompatible type. This vulnerability can be exploited only in restricted scenarios.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (3.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-25277: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-25277?
CVE-2025-25277 is a medium-severity vulnerability in Openatom Openharmony, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 6.3/10. Published 2026-03-16.
How severe is CVE-2025-25277?
Medium severity. CVSS v3 base score is 6.3 out of 10.