What is CVE-2025-0302?

CVE-2025-0302 is a medium-severity vulnerability in Openatom Openharmony, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2025-02-07.

How severe is CVE-2025-0302?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Integer overflow in Openatom Openharmony

CVE-2025-0302

in OpenHarmony v4.1.2 and prior versions allow a local attacker cause DOS through integer overflow.

Vulnerability class: Integer Overflow

Published 2025-02-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (3.6th percentile), scored 2026-09-29.

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 over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

Openatom Openharmony
Openharmony — versions v4.1.0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

gitee.com/openharmony/security/blob/master/zh/security-disclosure/2025/2025-02… (Third Party Advisory)

Frequently asked questions

What is CVE-2025-0302?: CVE-2025-0302 is a medium-severity vulnerability in Openatom Openharmony, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2025-02-07.
How severe is CVE-2025-0302?: Medium severity. CVSS v3 base score is 5.5 out of 10.