What is CVE-2025-27132?

CVE-2025-27132 is a low-severity vulnerability in Openatom Openharmony, classified under Out-of-bounds Write. CVSS score: 3.8/10. Published 2025-05-06.

How severe is CVE-2025-27132?

Low severity. CVSS v3 base score is 3.8 out of 10.

Buffer overflow in Openatom Openharmony

CVE-2025-27132

in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through out-of-bounds write. This vulnerability can be exploited only in restricted scenarios.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (4.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L.

Affected products

Openatom Openharmony
Openharmony — versions v4.1.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

scy@openharmony.io (Third Party Advisory)

Frequently asked questions

What is CVE-2025-27132?: CVE-2025-27132 is a low-severity vulnerability in Openatom Openharmony, classified under Out-of-bounds Write. CVSS score: 3.8/10. Published 2025-05-06.
How severe is CVE-2025-27132?: Low severity. CVSS v3 base score is 3.8 out of 10.