What is CVE-2023-21176?

CVE-2023-21176 is a medium-severity vulnerability in Google Android, classified under Uncontrolled Resource Consumption. CVSS score: 4.4/10. Published 2023-06-28.

How severe is CVE-2023-21176?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Resource exhaustion in Google Android

CVE-2023-21176

In list_key_entries of utils.rs, there is a possible way to disable user credentials due to resource exhaustion. This could lead to local denial of service with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-222287335

Vulnerability class: DoS (Denial of Service)

Published 2023-06-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Google Android — versions 13.0
Android — versions Android-13

Weakness classification (CWE)

References

source.android.com/security/bulletin/pixel/2023-06-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21176?: CVE-2023-21176 is a medium-severity vulnerability in Google Android, classified under Uncontrolled Resource Consumption. CVSS score: 4.4/10. Published 2023-06-28.
How severe is CVE-2023-21176?: Medium severity. CVSS v3 base score is 4.4 out of 10.