What is CVE-2022-20456?

CVE-2022-20456 is a high-severity vulnerability in Google Android, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.8/10. Published 2023-01-26.

How severe is CVE-2022-20456?

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

Is CVE-2022-20456 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Google Android

CVE-2022-20456

In AutomaticZenRule of AutomaticZenRule.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-242703780

EPSS: 0.002 (15.0th 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)

Public proof-of-concept exploits

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2022-20456?: CVE-2022-20456 is a high-severity vulnerability in Google Android, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.8/10. Published 2023-01-26.
How severe is CVE-2022-20456?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-20456 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.