What is CVE-2022-20536?

CVE-2022-20536 is a low-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 3.3/10. Published 2022-12-16.

How severe is CVE-2022-20536?

Low severity. CVSS v3 base score is 3.3 out of 10.

Auth bypass in Google Android

CVE-2022-20536

In registerBroadcastReceiver of RcsService.java, there is a possible way to change preferred TTY mode due to a missing permission check. 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-235100180

Vulnerability class: Broken Access Control

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

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

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

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20536?: CVE-2022-20536 is a low-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 3.3/10. Published 2022-12-16.
How severe is CVE-2022-20536?: Low severity. CVSS v3 base score is 3.3 out of 10.