Out-of-Bounds Write Vulnerability in Blockchain Keystore by Samsung
CVE-2025-21017

6.7MEDIUM

Key Information:

Vendor

Samsung
Status
Blockchain Keystore
Vendor
CVE Published:
6 August 2025

What is CVE-2025-21017?

The vulnerability in Samsung's Blockchain Keystore arises from an out-of-bounds write during the detachment of the crypto box. This flaw could allow local privileged attackers to exploit memory management errors, leading to potential unauthorized access or manipulation of sensitive data within the keystore.

Affected Version(s)

Blockchain Keystore 1.3.17.2

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2...

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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