CVE-2025-21017
6.3 · MEDIUMOverview
CVE-2025-21017 is a medium-severity vulnerability affecting samsung blockchain_keystore. It was published on August 6, 2025 and has a CVSS 3.1 base score of 6.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from samsung. Update blockchain_keystore to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| samsung | blockchain_keystore | >= 0, < 1.3.17.2 | Affected |
Frequently Asked Questions
What is CVE-2025-21017?
CVE-2025-21017 is a medium-severity vulnerability affecting samsung blockchain_keystore. It was published on August 6, 2025 and has a CVSS 3.1 base score of 6.3 (MEDIUM).
How severe is CVE-2025-21017?
This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-21017?
Check the references section for vendor advisories and patches from samsung. Update blockchain_keystore to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-21017?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-21017 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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