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CVE-2020-26186

Quick assessment

Affected
Dell CPG BIOS
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.

Dell Inspiron 5675 BIOS是美国Dell公司的一个可为设备提供基本输入输出、开机后自检和系统自启动功能的程序。 Dell Inspiron 5675 BIOS versions prior to 1.4.1 存在安全漏洞，具有系统内存访问权限的本地攻击者可利用该漏洞可以通过重写runtimesservices结构在System Management Mode (SMM)下执行任意代码。

CVSS 6.8 · Medium EPSS 0.36% · P29
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I. Basic Information for CVE-2020-26186

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell Inspiron 5675 BIOS versions prior to 1.4.1 contain a UEFI BIOS RuntimeServices overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the RuntimeServices structure to execute arbitrary code in System Management Mode (SMM).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对关键状态数据的外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
Dell Inspiron 5675 BIOS 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell Inspiron 5675 BIOS是美国Dell公司的一个可为设备提供基本输入输出、开机后自检和系统自启动功能的程序。 Dell Inspiron 5675 BIOS versions prior to 1.4.1 存在安全漏洞，具有系统内存访问权限的本地攻击者可利用该漏洞可以通过重写runtimesservices结构在System Management Mode (SMM)下执行任意代码。
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
Dell CPG BIOS unspecified ~ 1.4.1 -

II. Public POCs for CVE-2020-26186

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III. Intelligence Information for CVE-2020-26186

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Other References for CVE-2020-26186 (1)

IV. Related Vulnerabilities

Same product: CPG BIOS
Same vendor: Dell
Same weakness: CWE-642

V. Comments for CVE-2020-26186

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