What is CVE-2021-25342?

CVE-2021-25342 is a medium-severity vulnerability in Google Android, classified under Improper Authentication. CVSS score: 4.0/10. Published 2021-03-04.

How severe is CVE-2021-25342?

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

Auth bypass in Google Android

CVE-2021-25342

Calling of non-existent provider in SMP sdk prior to version 3.0.9 allows unauthorized actions including denial of service attack by hijacking the provider.

Vulnerability class: Broken Authentication

Published 2021-03-04 · 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:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.002 (12.2th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Google Android — versions 1.0, 1.1, 1.5
Samsung Members
Samsung Mobile Smp Sdk — versions unspecified

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2021-25342?: CVE-2021-25342 is a medium-severity vulnerability in Google Android, classified under Improper Authentication. CVSS score: 4.0/10. Published 2021-03-04.
How severe is CVE-2021-25342?: Medium severity. CVSS v3 base score is 4.0 out of 10.