Samsung Blockchain Keystore 1.3.12.1/1.3.13.5/1.3.16/1.3.16.5 out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Samsung Blockchain Keystore. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to out-of-bounds. The identification of this vulnerability is CVE-2025-21018. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in Samsung Blockchain Keystore. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. CVE summarizes:

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

The advisory is available at security.samsungmobile.com. This vulnerability was named CVE-2025-21018 since 11/06/2024. The exploitation appears to be easy. Local access is required to approach this attack. Additional levels of successful authentication are needed for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 1.3.17.2 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.3

VulDB Base Score: 2.3
VulDB Temp Score: 2.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.4
CNA Vector (SamsungMobile): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Blockchain Keystore 1.3.17.2

Timelineinfo

11/06/2024 CVE reserved
08/06/2025 +272 days Advisory disclosed
08/06/2025 +0 days VulDB entry created
08/15/2025 +9 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2025-21018 (🔒)
GCVE (CVE): GCVE-0-2025-21018
GCVE (VulDB): GCVE-100-318934

Entryinfo

Created: 08/06/2025 08:12
Updated: 08/15/2025 18:59
Changes: 08/06/2025 08:12 (63), 08/15/2025 18:59 (1)
Complete: 🔍
Cache ID: 216::103

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