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I. Basic Information for CVE-2025-21020
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
SAMSUNG Blockchain Keystore 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAMSUNG Blockchain Keystore是韩国三星（SAMSUNG）公司的创建、存储、管理和备份私钥的系统工具。 SAMSUNG Blockchain Keystore 1.3.17.2之前版本存在安全漏洞，该漏洞源于创建位图图像时越界写入，可能导致本地特权攻击者越界写入内存。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
Samsung MobileBlockchain Keystore 1.3.17.2 -
II. Public POCs for CVE-2025-21020
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III. Intelligence Information for CVE-2025-21020
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IV. Related Vulnerabilities
Same product: Blockchain Keystore
Same vendor: Samsung Mobile
V. Comments for CVE-2025-21020

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