What is CVE-2023-39405?

CVE-2023-39405 is a critical-severity vulnerability in Huawei Emui, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2023-08-13.

How severe is CVE-2023-39405?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Huawei Emui

CVE-2023-39405

Vulnerability of out-of-bounds parameter read/write in the Wi-Fi module. Successful exploitation of this vulnerability may cause other apps to be executed with escalated privileges.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (33.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Huawei Emui — versions 13.0.0, 12.0.1, 12.0.0
Huawei Harmonyos — versions 3.0.0, 2.0.1, 2.1.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-787 — Out-of-bounds Write

References

psirt@huawei.com (Vendor Advisory)
psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-39405?: CVE-2023-39405 is a critical-severity vulnerability in Huawei Emui, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2023-08-13.
How severe is CVE-2023-39405?: Critical severity. CVSS v3 base score is 9.8 out of 10.