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Vulnerabilities

Vulnerability · CVE-2025-21018

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

Published Aug 6, 2025 · catalog updated Aug 6, 2025 · Samsung Mobile Blockchain Keystore

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-21018. EPSS is 0.15%. Act only if a listed version of Samsung Mobile Blockchain Keystore is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.15%
Remediation
Advisory link
Affected products
vendor Samsung Mobile Blockchain Keystore patch: 1.3.17.2

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Samsung Mobile Blockchain Keystore patch: 1.3.17.2patch: 1.3.17.2

How to fix CVE-2025-21018

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-21018. EPSS is 0.15%. Act only if a listed version of Samsung Mobile Blockchain Keystore is installed.

Which versions are affected?

Compare what you have installed with Samsung Mobile Blockchain Keystore patch: 1.3.17.2 patch: 1.3.17.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 6, 2025 · EUVD

    Detected

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

  2. Aug 6, 2025 · EUVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2025-21018

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-21018

    30-day exploitation probability 0.15%

    first.org
  • EUVDVulnerability recordEUVD-2025-23772

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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 27, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 20, 2026