What is CVE-2021-25519?

CVE-2021-25519 is a medium-severity vulnerability in Google Android, classified under Information Disclosure. CVSS score: 4.0/10. Published 2021-12-08.

How severe is CVE-2021-25519?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Auth bypass in Google Android

CVE-2021-25519

An improper access control vulnerability in CPLC prior to SMR Dec-2021 Release 1 allows local attackers to access CPLC information without permission.

Vulnerability class: Information Disclosure

Published 2021-12-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.5th percentile), scored 2026-10-01.

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 9.0, 10.0, 11.0
Samsung Mobile Devices — versions P(9.0), Q(10.0), R(11.0)

Weakness classification (CWE)

References

security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2021-25519?: CVE-2021-25519 is a medium-severity vulnerability in Google Android, classified under Information Disclosure. CVSS score: 4.0/10. Published 2021-12-08.
How severe is CVE-2021-25519?: Medium severity. CVSS v3 base score is 4.0 out of 10.