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.

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

EPSS: 0.001 (1.5th percentile) — read the EPSS interpretation.

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.

Affected products

Openatom Openharmony
Openharmony — versions v5.0.3

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

scy@openharmony.io (Vendor Advisory)

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.