What is CVE-2023-20911?

CVE-2023-20911 is a high-severity vulnerability in Google Android, classified under Uncontrolled Resource Consumption. CVSS score: 7.8/10. Published 2023-03-24.

How severe is CVE-2023-20911?

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

Is CVE-2023-20911 known to be exploited?

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

Resource exhaustion in Google Android

CVE-2023-20911

In addPermission of PermissionManagerServiceImpl.java , there is a possible failure to persist permission 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-11 Android-12 Android-12L Android-13Android ID: A-242537498

Vulnerability class: DoS (Denial of Service)

EPSS: 0.002 (7.8th 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 Android-13

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

References

security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20911?: CVE-2023-20911 is a high-severity vulnerability in Google Android, classified under Uncontrolled Resource Consumption. CVSS score: 7.8/10. Published 2023-03-24.
How severe is CVE-2023-20911?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-20911 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.