What is CVE-2022-20478?

CVE-2022-20478 is a high-severity vulnerability in Google Android, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.8/10. Published 2022-12-13.

How severe is CVE-2022-20478?

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

Resource exhaustion in Google Android

CVE-2022-20478

In NotificationChannel of NotificationChannel.java, there is a possible failure to persist permissions settings due to resource exhaustion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-241764135

EPSS: 0.002 (6.6th 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 10.0, 11.0, 12.0
N/a Android — versions Android-10 Android-11 Android-12 Android-12L Android-13

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2022-20478?: CVE-2022-20478 is a high-severity vulnerability in Google Android, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.8/10. Published 2022-12-13.
How severe is CVE-2022-20478?: High severity. CVSS v3 base score is 7.8 out of 10.