What is CVE-2023-21233?

CVE-2023-21233 is a high-severity vulnerability in Google Android, classified under Use of Uninitialized Resource. CVSS score: 7.5/10. Published 2023-08-14.

How severe is CVE-2023-21233?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Google Android

CVE-2023-21233

In multiple locations of avrc, there is a possible leak of heap data due to uninitialized data. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Published 2023-08-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Google Android — versions 11.0, 11

Weakness classification (CWE)

CWE-908 — Use of Uninitialized Resource

References

source.android.com/security/bulletin/wear/2023-08-01 (Broken Link)

Frequently asked questions

What is CVE-2023-21233?: CVE-2023-21233 is a high-severity vulnerability in Google Android, classified under Use of Uninitialized Resource. CVSS score: 7.5/10. Published 2023-08-14.
How severe is CVE-2023-21233?: High severity. CVSS v3 base score is 7.5 out of 10.