CVE-2025-21029

CVE-2025-21029 is a medium-severity vulnerability in Samsung Android with a CVSS 3.x base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Medium (CVSS 3.x base score 4.0)
• EPSS exploit prediction: 0% (1st percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2025-26511
• Affected product: Samsung Android
• Published: 2025-09-03
• Last modified: 2026-06-17

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.

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 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-21029 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21029?

CVE-2025-21029 primarily affects Samsung Android. In total, 103 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-21029?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-21029 have an EU (EUVD) identifier?

Yes. CVE-2025-21029 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26511.

When was CVE-2025-21029 published?

CVE-2025-21029 was published on 2025-09-03 and last updated on 2026-06-17.

References

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

Affected products (103)

• cpe:2.3:o:samsung:android:13.0:-:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-apr-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-apr-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-apr-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-apr-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-aug-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-aug-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-aug-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-aug-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-dec-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-dec-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-dec-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-dec-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-feb-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-feb-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-feb-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-feb-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-jan-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-jan-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-jan-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-jan-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-jul-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-jul-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-jul-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-jul-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-jun-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-jun-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-jun-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-jun-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-mar-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-mar-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-mar-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-mar-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-may-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-may-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-may-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-may-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-nov-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-nov-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:13.0:smr-nov-2023-r1:*:*:*:*:*:*

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