CVE-2025-21029

Name: CVE-2025-21029
Creator: NVD / NIST
Published: 2025-09-03T06:15:46.153+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.10%

Last modified Jun 17, 2026

CVE-2025-21029 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. Improper handling of insufficient permission in System UI prior to SMR Sep-2025 Release 1 allows local attackers to send arbitrary replies to messages from the cover display.. EPSS estimates a 0.10% chance of exploitation in the next 30 days.

Description

Improper handling of insufficient permission in System UI prior to SMR Sep-2025 Release 1 allows local attackers to send arbitrary replies to messages from the cover display.

Metrics

CVSS 3.1

3.3/10

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

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-2025-21029?

Improper handling of insufficient permission in System UI prior to SMR Sep-2025 Release 1 allows local attackers to send arbitrary replies to messages from the cover display.

How severe is CVE-2025-21029?

CVE-2025-21029 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.

How do I fix CVE-2025-21029?

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-2025-21029?

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

Scan your code now

Source: NVD / NIST