CVE-2021-25337: Samsung Mobile Devices Improper Access Control Vulnerability

High severity, CVSS 7.1. Actively exploited: in CISA KEV since 2022-11-08. EPSS: 2.8% chance of exploitation in the next 30 days.

Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.

Affected products

• Samsung Android: version 9.0 only; version 10.0 only; version 11.0 only

Published 2021-03-04. Last modified 2026-06-17.