CVE-2025-21047

CVE-2025-21047 is a medium-severity vulnerability in Samsung Android with a CVSS 3.x base score of 5.2. 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 5.2)
• EPSS exploit prediction: 0% (7th percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2025-33684
• Affected product: Samsung Android
• Published: 2025-10-10
• Last modified: 2026-06-17

Description

Improper access control in KnoxGuard prior to SMR Oct-2025 Release 1 allows physical attackers to use the privileged APIs.

Frequently asked questions

What is CVE-2025-21047?

Improper access control in KnoxGuard prior to SMR Oct-2025 Release 1 allows physical attackers to use the privileged APIs.

How severe is CVE-2025-21047?

CVE-2025-21047 has a CVSS 3.x base score of 5.2, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2025-21047 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21047?

CVE-2025-21047 primarily affects Samsung Android. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-21047?

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

Does CVE-2025-21047 have an EU (EUVD) identifier?

Yes. CVE-2025-21047 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33684.

When was CVE-2025-21047 published?

CVE-2025-21047 was published on 2025-10-10 and last updated on 2026-06-17.

References

• https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=10

Affected products (59)

• cpe:2.3:o:samsung:android:14.0:-:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-apr-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-apr-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-apr-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-apr-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-aug-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-aug-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-aug-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-aug-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-dec-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-dec-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-dec-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-dec-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-feb-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-feb-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-feb-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-feb-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jan-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jan-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jan-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jan-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jul-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jul-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jul-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jul-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jun-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jun-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jun-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jun-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-mar-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-mar-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-mar-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-mar-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-may-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-may-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-may-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-may-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-nov-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-nov-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-nov-2023-r1:*:*:*:*:*:*

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