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CVE-2021-25490

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 Oct-2021 Release 1 之前版本存在安全漏洞，该漏洞源于keymaster中的keyblob降级攻击，攻击者使用特权进程可触发漏洞。

CVSS 6.0 · Medium EPSS 0.75% · P53

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection
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I. Basic Information for CVE-2021-25490

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A keyblob downgrade attack in keymaster prior to SMR Oct-2021 Release 1 allows attacker to trigger IV reuse vulnerability with privileged process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
SAMSUNG Mobile devices 安全漏洞
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 Oct-2021 Release 1 之前版本存在安全漏洞，该漏洞源于keymaster中的keyblob降级攻击，攻击者使用特权进程可触发漏洞。
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 P(9.0), Q(10.0), R(11.0) ~ SMR Oct-2021 Release 1 -

II. Public POCs for CVE-2021-25490

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III. Intelligence Information for CVE-2021-25490

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Other References for CVE-2021-25490 (1)

Same Patch Batch · Samsung Mobile · 2021-10-06 · 33 CVEs total

CVE-2021-25470 7.9 HIGH Samsung SMR 安全漏洞
CVE-2021-25485 7.5 HIGH Samsung SMR 路径遍历漏洞
CVE-2021-25498 7.3 HIGH Samsung Notes 安全漏洞
CVE-2021-25497 7.3 HIGH Samsung Notes 安全漏洞
CVE-2021-25496 7.3 HIGH Samsung Notes 安全漏洞
CVE-2021-25495 7.3 HIGH Samsung Notes 缓冲区错误漏洞
CVE-2021-25492 7.3 HIGH Samsung Notes 缓冲区错误漏洞
CVE-2021-25487 7.3 HIGH Samsung SMR 缓冲区错误漏洞
CVE-2021-25478 7.2 HIGH Samsung SMR 缓冲区错误漏洞
CVE-2021-25479 7.2 HIGH Samsung SMR 缓冲区错误漏洞
CVE-2021-25499 7.1 HIGH Samsung Galaxy Store 授权问题漏洞
CVE-2021-25481 6.4 MEDIUM Samsung SMR 代码问题漏洞
CVE-2021-25469 6.0 MEDIUM Samsung SMR 缓冲区错误漏洞
CVE-2021-25482 5.9 MEDIUM Samsung SMR SQL注入漏洞
CVE-2021-25488 5.5 MEDIUM Samsung SMR 缓冲区错误漏洞
CVE-2021-25467 5.3 MEDIUM Samsung SMR 安全漏洞
CVE-2021-25468 4.4 MEDIUM Samsung SMR 输入验证错误漏洞
CVE-2021-25480 4.4 MEDIUM Samsung SMR 安全漏洞
CVE-2021-25477 4.4 MEDIUM Samsung SMR 资源管理错误漏洞
CVE-2021-25474 4.4 MEDIUM Samsung SMR 安全漏洞

Showing top 20 of 33 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Samsung Mobile Devices
Same vendor: Samsung Mobile
Same weakness: CWE-287

V. Comments for CVE-2021-25490

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