Vulnerability in Openatom Openharmony

CVE-2025-25278

in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through race condition.

Vulnerability class: Race Condition

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (1.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.3% 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-2025-25278: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-25278?
CVE-2025-25278 is a high-severity vulnerability in Openatom Openharmony, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.4/10. Published 2025-08-11.
How severe is CVE-2025-25278?
High severity. CVSS v3 base score is 8.4 out of 10.