What is CVE-2021-25501?

CVE-2021-25501 is a medium-severity vulnerability in Google Android, classified under Improper Access Control. CVSS score: 5.7/10. Published 2021-11-05.

How severe is CVE-2021-25501?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Vulnerability in Google Android

CVE-2021-25501

An improper access control vulnerability in SCloudBnRReceiver in SecTelephonyProvider prior to SMR Nov-2021 Release 1 allows untrusted application to call some protected providers.

Published 2021-11-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L.

EPSS exploit prediction

EPSS: 0.001 (0.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.6% 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 10.0, 11.0
Samsung Mobile Devices — versions Q(10.0), R(11.0)

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2021-25501?: CVE-2021-25501 is a medium-severity vulnerability in Google Android, classified under Improper Access Control. CVSS score: 5.7/10. Published 2021-11-05.
How severe is CVE-2021-25501?: Medium severity. CVSS v3 base score is 5.7 out of 10.