How severe is CVE-2025-21031?

CVE-2025-21031 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2025-21031 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21031?

CVE-2025-21031 primarily affects Samsung Android. In total, 102 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-21031?

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

Does CVE-2025-21031 have an EU (EUVD) identifier?

Yes. CVE-2025-21031 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26600.

When was CVE-2025-21031 published?

CVE-2025-21031 was published on 2025-09-03 and last updated on 2026-06-17.

CVE-2025-21031

CVE-2025-21031 is a medium-severity vulnerability in Samsung Android with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26600
Weakness: CWE-284
Affected product: Samsung Android
Published: 2025-09-03
Last modified: 2026-06-17

Description

Improper access control in ImsService prior to SMR Sep-2025 Release 1 allows local attackers to use the privileged APIs.

Frequently asked questions

What is CVE-2025-21031?: Improper access control in ImsService prior to SMR Sep-2025 Release 1 allows local attackers to use the privileged APIs.
How severe is CVE-2025-21031?: CVE-2025-21031 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2025-21031 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21031?: CVE-2025-21031 primarily affects Samsung Android. In total, 102 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-21031?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-21031 have an EU (EUVD) identifier?: Yes. CVE-2025-21031 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26600.
When was CVE-2025-21031 published?: CVE-2025-21031 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 (102)

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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