CVE-2021-25373: Samsung Customization Service

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Using unsafe PendingIntent in Customization Service prior to version 2.2.02.1 in Android O(8.x), 2.4.03.0 in Android P(9.0), 2.7.02.1 in Android Q(10.0) and 2.9.01.1 in Android R(11.0) allows local attackers to perform unauthorized action without permission via hijacking the PendingIntent.

Affected products

• Samsung Customization Service: before 2.2.02.1 (fixed in 2.2.02.1); before 2.4.03.0 (fixed in 2.4.03.0); before 2.7.02.1 (fixed in 2.7.02.1); before 2.9.01.1 (fixed in 2.9.01.1)

Published 2021-04-09. Last modified 2026-06-17.