CVE-2025-21021: Samsung Blockchain Keystore

Medium severity, CVSS 6.7. EPSS: 0.1% chance of exploitation in the next 30 days.

Out-of-bounds write in drawing pinpad in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to write out-of-bounds memory.

Affected products

• Samsung Blockchain Keystore: before 1.3.17.2 (fixed in 1.3.17.2)

Published 2025-08-06. Last modified 2026-06-17.