Security Flaw in System UI of Samsung Devices
CVE-2025-21029

4MEDIUM

Key Information:

Vendor

Samsung
Status
Samsung Devices
Vendor
CVE Published:
3 September 2025

What is CVE-2025-21029?

A vulnerability exists in Samsung's System UI that arises from improper handling of insufficient permissions, allowing local attackers to send arbitrary replies to messages displayed on the device’s cover display. This flaw poses a risk to user privacy and device security, highlighting the importance of updating to the latest system releases to mitigate such vulnerabilities.

Affected Version(s)

Samsung Mobile Devices SMR Sep-2025 Release in Android 13, 14, 15, 16

References

https://security.samsungmobile.com/securityUpdate.smsb?ye...

CVSS V3.1

Score:
4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-21029 : Security Flaw in System UI of Samsung Devices