What is CVE-2021-25336?

CVE-2021-25336 is a low-severity vulnerability in Google Android, classified under Improper Privilege Management. CVSS score: 2.8/10. Published 2021-03-04.

How severe is CVE-2021-25336?

Low severity. CVSS v3 base score is 2.8 out of 10.

Privilege escalation in Google Android

CVE-2021-25336

Improper access control in NotificationManagerService in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to acquire notification access via sending a crafted malicious intent.

Vulnerability class: Privilege Escalation

Published 2021-03-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.8 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.6% 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 9.0, 10.0
Samsung Mobile Devices — versions P(9.0), Q(10.0)

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

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

Frequently asked questions

What is CVE-2021-25336?: CVE-2021-25336 is a low-severity vulnerability in Google Android, classified under Improper Privilege Management. CVSS score: 2.8/10. Published 2021-03-04.
How severe is CVE-2021-25336?: Low severity. CVSS v3 base score is 2.8 out of 10.