What is CVE-2023-52551?

CVE-2023-52551 is a medium-severity vulnerability in Huawei Emui, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.3/10. Published 2024-04-08.

How severe is CVE-2023-52551?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Huawei Emui

CVE-2023-52551

Vulnerability of data verification errors in the kernel module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Vulnerability class: Buffer Overflow

Published 2024-04-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.001 (1.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.6% 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: 0.001 · change: 0.000

Affected products

Huawei Emui — versions 13.0.0, 12.0.0
Huawei Harmonyos — versions 4.0.0, 3.1.0, 3.0.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

consumer.huawei.com/en/support/bulletin/2024/3/ (Vendor Advisory)
device.harmonyos.com/en/docs/security/update/security-bulletins-202403-00000016… (Broken Link, Vendor Advisory)

Frequently asked questions

What is CVE-2023-52551?: CVE-2023-52551 is a medium-severity vulnerability in Huawei Emui, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.3/10. Published 2024-04-08.
How severe is CVE-2023-52551?: Medium severity. CVSS v3 base score is 5.3 out of 10.