CVE-2021-25373

Name: CVE-2021-25373
Creator: NVD / NIST
Published: 2021-04-09T18:15:15.023+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2021-25373 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.21%

11.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-285

Affected Software

Vendor	Product	Versions
Samsung	Customization Service	< 2.2.02.1
Samsung	Customization Service	< 2.4.03.0
Samsung	Customization Service	< 2.7.02.1
Samsung	Customization Service	< 2.9.01.1

References

https://security.samsungmobile.com/Vendor Advisory
https://security.samsungmobile.com/serviceWeb.smsbVendor Advisory
https://security.samsungmobile.com/Vendor Advisory
https://security.samsungmobile.com/serviceWeb.smsbVendor Advisory

Timeline

Published: Apr 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25373?

How severe is CVE-2021-25373?

CVE-2021-25373 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25373?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-25373?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST