CVE-2025-21017: OOB Write in Blockchain Keystore <1.3.17.2
CVE-2025-21017 Published on August 6, 2025

Out-of-bounds write in detaching crypto box in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to write out-of-bounds memory.

NVD

Vulnerability Analysis

CVE-2025-21017 can be exploited with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and a small impact on availability.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
LOW

Products Associated with CVE-2025-21017

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Samsung Blockchain Keystore
 

Affected Versions

Samsung Mobile Blockchain Keystore Version 1.3.17.2 is unaffected by CVE-2025-21017

Exploit Probability

EPSS
0.02%
Percentile
3.98%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.