What is CVE-2021-0925?

CVE-2021-0925 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2021-12-15.

How severe is CVE-2021-0925?

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

Out-of-bounds Read in Google Android

CVE-2021-0925

In rw_t4t_sm_detect_ndef of rw_t4t.cc, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote information disclosure due to a limited change in behavior based on the out of bounds data with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-191444150

Vulnerability class: Buffer Overflow

Published 2021-12-15 · 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: 0.010 (60.1th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Google Android — versions 12.0
Android — versions Android-12

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

source.android.com/security/bulletin/2021-11-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-0925?: CVE-2021-0925 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2021-12-15.
How severe is CVE-2021-0925?: High severity. CVSS v3 base score is 7.5 out of 10.