What is CVE-2023-40638?

CVE-2023-40638 is a medium-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 4.4/10. Published 2023-10-08.

How severe is CVE-2023-40638?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Auth bypass in Google Android

CVE-2023-40638

In Telecom service, there is a possible missing permission check. This could lead to local denial of service with System execution privileges needed

Vulnerability class: Broken Access Control

EPSS: 0.001 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Google Android — versions 11.0
Unisoc S8000
Unisoc T760
Unisoc T770
Unisoc T820
Unisoc (Shanghai) Technologies Co., Ltd. T760/t770/t820/s8000 — versions Android11

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security@unisoc.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-40638?: CVE-2023-40638 is a medium-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 4.4/10. Published 2023-10-08.
How severe is CVE-2023-40638?: Medium severity. CVSS v3 base score is 4.4 out of 10.