What is CVE-2023-20959?

CVE-2023-20959 is a high-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 7.8/10. Published 2023-03-24.

How severe is CVE-2023-20959?

High severity. CVSS v3 base score is 7.8 out of 10.

Auth bypass in Google Android

CVE-2023-20959

In AddSupervisedUserActivity, guest users are not prevented from starting the activity due to missing permissions checks. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-249057848

Vulnerability class: Broken Access Control

EPSS: 0.001 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 13.0
N/a Android — versions Android-13

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-20959?: CVE-2023-20959 is a high-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 7.8/10. Published 2023-03-24.
How severe is CVE-2023-20959?: High severity. CVSS v3 base score is 7.8 out of 10.