How severe is CVE-2025-20937?

CVE-2025-20937 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-20937 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-20937?

CVE-2025-20937 primarily affects Samsung Android. In total, 89 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-20937?

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

Does CVE-2025-20937 have an EU (EUVD) identifier?

Yes. CVE-2025-20937 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13708.

When was CVE-2025-20937 published?

CVE-2025-20937 was published on 2025-05-07 and last updated on 2026-06-17.

CVE-2025-20937

CVE-2025-20937 is a medium-severity vulnerability in Samsung Android with a CVSS 3.x base score of 6.7. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13708
Weakness: CWE-787
Affected product: Samsung Android
Published: 2025-05-07
Last modified: 2026-06-17

Description

Out-of-bounds write in Keymaster trustlet prior to SMR May-2025 Release 1 allows local privileged attackers to write out-of-bounds memory.

Frequently asked questions

What is CVE-2025-20937?: Out-of-bounds write in Keymaster trustlet prior to SMR May-2025 Release 1 allows local privileged attackers to write out-of-bounds memory.
How severe is CVE-2025-20937?: CVE-2025-20937 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-20937 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-20937?: CVE-2025-20937 primarily affects Samsung Android. In total, 89 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-20937?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-20937 have an EU (EUVD) identifier?: Yes. CVE-2025-20937 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13708.
When was CVE-2025-20937 published?: CVE-2025-20937 was published on 2025-05-07 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=05

Affected products (89)

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-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-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-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-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:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-nov-2024-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-oct-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-oct-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-oct-2024-r1:*:*:*:*:*:*

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