CVE-2025-21027

Name: CVE-2025-21027
Creator: NVD / NIST
Published: 2025-09-03T06:15:45.583+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.10%

Last modified Jun 17, 2026

CVE-2025-21027 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. Improper verification of intent by broadcast receiver in ImsService prior to SMR Sep-2025 Release 1 allows local attackers to temporarily disable the SIM.. EPSS estimates a 0.10% chance of exploitation in the next 30 days.

Description

Improper verification of intent by broadcast receiver in ImsService prior to SMR Sep-2025 Release 1 allows local attackers to temporarily disable the SIM.

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.10%

1.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Samsung	Android	13.0
Samsung	Android	14.0
Samsung	Android	15.0
Samsung	Android	16.0

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09Vendor Advisory

Timeline

Published: Sep 3, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-21027?

Improper verification of intent by broadcast receiver in ImsService prior to SMR Sep-2025 Release 1 allows local attackers to temporarily disable the SIM.

How severe is CVE-2025-21027?

CVE-2025-21027 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.

How do I fix CVE-2025-21027?

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-2025-21027?

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

Scan your code now

Source: NVD / NIST