Out-of-bounds Read in Openatom Openharmony

CVE-2025-21098

in OpenHarmony v5.0.2 and prior versions allow a local attacker cause information leak through out-of-bounds read bypass permission check.

Published · last modified .

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:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.9% 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-2025-21098: 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-2025-21098?
CVE-2025-21098 is a medium-severity vulnerability in Openatom Openharmony, classified under CWE-922. CVSS score: 5.5/10. Published 2025-03-04.
How severe is CVE-2025-21098?
Medium severity. CVSS v3 base score is 5.5 out of 10.