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CVE-2021-25444

Quick assessment

Affected
Samsung Mobile Samsung Mobile Devices
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SAMSUNG Mobile devices是韩国三星（SAMSUNG）公司的一系列的三星移动设备，包括手机、平板等。 SAMSUNG Mobile devices SMR AUG-2021 Release 1 之前版本存在安全特征问题漏洞，该漏洞源于keymaster 中的 IV 重用漏洞允许使用特权进程解密自定义密钥块。

AI Predicted 5.9 Difficulty: Moderate EPSS 0.76% · P54

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-25444

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An IV reuse vulnerability in keymaster prior to SMR AUG-2021 Release 1 allows decryption of custom keyblob with privileged process.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
SAMSUNG Mobile devices 安全特征问题特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAMSUNG Mobile devices是韩国三星（SAMSUNG）公司的一系列的三星移动设备，包括手机、平板等。 SAMSUNG Mobile devices SMR AUG-2021 Release 1 之前版本存在安全特征问题漏洞，该漏洞源于keymaster 中的 IV 重用漏洞允许使用特权进程解密自定义密钥块。
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

Vendor Product Affected Versions CPE Subscribe
Samsung Mobile Samsung Mobile Devices O(8.1), P(9.0), Q(10.0) ~ SMR AUG-2021 Release 1 -

II. Public POCs for CVE-2021-25444

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-25444

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Other References for CVE-2021-25444 (1)

Same Patch Batch · Samsung Mobile · 2021-08-05 · 6 CVEs total

CVE-2021-25443 Samsung SMR 资源管理错误漏洞
CVE-2021-25445 Samsung Internet 授权问题漏洞
CVE-2021-25446 SAMSUNG SmartThings 安全漏洞
CVE-2021-25447 SAMSUNG SmartThings 安全漏洞
CVE-2021-25448 SAMSUNG Smart Touch Call 安全漏洞

IV. Related Vulnerabilities

Same product: Samsung Mobile Devices
Same vendor: Samsung Mobile
Same weakness: CWE-20

V. Comments for CVE-2021-25444

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