What is CVE-2023-21256?

CVE-2023-21256 is a high-severity vulnerability in Google Android, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2023-07-13.

How severe is CVE-2023-21256?

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

Auth bypass in Google Android

CVE-2023-21256

In SettingsHomepageActivity.java, there is a possible way to launch arbitrary activities via Settings due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

Vulnerability class: Broken Access Control

EPSS: 0.001 (1.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Google Android — versions 13, 13.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security@android.com (Patch)
security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-21256?: CVE-2023-21256 is a high-severity vulnerability in Google Android, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2023-07-13.
How severe is CVE-2023-21256?: High severity. CVSS v3 base score is 7.8 out of 10.