What is CVE-2022-20356?

CVE-2022-20356 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-08-10.

How severe is CVE-2022-20356?

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

Is CVE-2022-20356 known to be exploited?

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

Privilege escalation in Google Android

CVE-2022-20356

In shouldAllowFgsWhileInUsePermissionLocked of ActiveServices.java, there is a possible way to start foreground service from background due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-215003903

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (1.5th 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 11.0, 12.0, 12.1
N/a Android — versions Android-11 Android-12 Android-12L

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

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

Frequently asked questions

What is CVE-2022-20356?: CVE-2022-20356 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-08-10.
How severe is CVE-2022-20356?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-20356 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.