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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (5.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Openatom Openharmony
- Openharmony — versions v4.1.0
Weakness classification (CWE)
References
- gitee.com/openharmony/security/blob/master/zh/security-disclosure/2025/2025-05… (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.