What is CVE-2025-22421?

CVE-2025-22421 is a medium-severity vulnerability in Google Android, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.5/10. Published 2025-09-02.

How severe is CVE-2025-22421?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Google Android

CVE-2025-22421

In contentDescForNotification of NotificationContentDescription.kt, there is a possible notification content leak through the lockscreen due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Published 2025-09-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.9% 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 15.0, 14.0, 13

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

android.googlesource.com/platform/frameworks/base/+/3b0704fd381a1ea32591aba99be… (Product)
source.android.com/security/bulletin/2025-04-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-22421?: CVE-2025-22421 is a medium-severity vulnerability in Google Android, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.5/10. Published 2025-09-02.
How severe is CVE-2025-22421?: Medium severity. CVSS v3 base score is 5.5 out of 10.