Out-of-bounds write in creating bitmap images in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to write out-of-bounds memory.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Samsung
  • Blockchain Keystore

No data.

No data.

References
Link Providers
https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=08 cve-icon cve-icon
History

Wed, 06 Aug 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 06 Aug 2025 08:15:00 +0000

Type Values Removed Values Added
First Time appeared Samsung
Samsung blockchain Keystore
Vendors & Products Samsung
Samsung blockchain Keystore

Wed, 06 Aug 2025 04:45:00 +0000

Type Values Removed Values Added
Description Out-of-bounds write in creating bitmap images in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to write out-of-bounds memory.
References
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published: 2025-08-06T04:23:36.742Z

Updated: 2025-08-06T13:37:16.012Z

Reserved: 2024-11-06T02:30:14.881Z

Link: CVE-2025-21020

cve-icon Vulnrichment

Updated: 2025-08-06T13:37:13.518Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-08-06T05:15:34.750

Modified: 2025-08-06T20:23:37.600

Link: CVE-2025-21020

cve-icon Redhat

No data.