What is CVE-2025-20042?

CVE-2025-20042 is a medium-severity vulnerability in Openatom Openharmony, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2025-03-04.

How severe is CVE-2025-20042?

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

Out-of-bounds Read in Openatom Openharmony

CVE-2025-20042

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

Vulnerability class: Buffer Overflow

EPSS: 0.001 (4.0th percentile) — read the EPSS interpretation.

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.

Affected products

Openatom Openharmony
Openharmony — versions v4.1.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

scy@openharmony.io (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20042?: CVE-2025-20042 is a medium-severity vulnerability in Openatom Openharmony, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2025-03-04.
How severe is CVE-2025-20042?: Medium severity. CVSS v3 base score is 5.5 out of 10.