CVE-2021-25373

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-04-09 · updated 2026-06-17
Weakness: CWE-285

Description

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 Mobile Customization Service: before 2.2.02.1; before 2.4.03.0; before 2.7.02.1; before 2.9.01.1 — fixed in 2.2.02.1, 2.4.03.0, 2.7.02.1, 2.9.01.1

How to fix

Upgrade to a fixed version: Samsung Mobile Customization Service 2.2.02.1, 2.4.03.0, 2.7.02.1, 2.9.01.1. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2021-25373 or the next vulnerability affects your stack