What is CVE-2025-21027?

CVE-2025-21027 is a medium-severity vulnerability in Samsung Android, classified under CWE-925 : IMPROPER VERIFICATION OF INTENT BY BROADCAST RECEIVER. CVSS score: 5.1/10. Published 2025-09-03.

How severe is CVE-2025-21027?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Vulnerability in Samsung Android

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.

EPSS: 0.001 (1.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Samsung Android — versions 13.0, 14.0, 15.0
Samsung Mobile Devices — versions SMR Sep-2025 Release in Android 13, 14, 15, 16

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-21027?: CVE-2025-21027 is a medium-severity vulnerability in Samsung Android, classified under CWE-925 : IMPROPER VERIFICATION OF INTENT BY BROADCAST RECEIVER. CVSS score: 5.1/10. Published 2025-09-03.
How severe is CVE-2025-21027?: Medium severity. CVSS v3 base score is 5.1 out of 10.