Out-of-Bounds Write Vulnerability in KnoxVault Trustlet by Samsung
CVE-2025-20983

6.4MEDIUM

Key Information:

Vendor

Samsung

Vendor
CVE Published:
8 July 2025

What is CVE-2025-20983?

An out-of-bounds write vulnerability has been identified in the KnoxVault trustlet, which could allow local attackers with privileged access to write beyond the intended memory boundaries. This flaw exists in the authentication secret handling prior to the SMR July 2025 Release 1, potentially exposing affected devices to further security risks or exploitation. Maintaining up-to-date security patches is crucial for safeguarding your Samsung device against such vulnerabilities.

Affected Version(s)

Samsung Mobile Devices SMR Jul-2025 Release in Android 14, 15

References

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-20983 : Out-of-Bounds Write Vulnerability in KnoxVault Trustlet by Samsung