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CVE-2017-3775

Quick assessment

Affected
Lenovo Group Ltd. Some Lenovo Flex System and Lenovo System x products
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.

Lenovo Flex System x240 M5等都是中国联想（Lenovo）公司的服务器设备。 多款Lenovo产品中存在安全漏洞，该漏洞源于程序在运行签名的代码之前，没有正确的进行身份验证。物理位置临近的攻击者可利用该漏洞运行未签名的代码。以下产品和版本受到影响：Lenovo Flex System x240 M5 BIOS/UEFI 2.61之前版本；Flex System x280 X6 BIOS/UEFI 4.21之前版本；Flex System x480 X6 BIOS/UEFI 4.21

AI Predicted 5.3 Difficulty: Easy EPSS 0.27% · P18
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I. Basic Information for CVE-2017-3775

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Some Lenovo System x server BIOS/UEFI versions, when Secure Boot mode is enabled by a system administrator, do not properly authenticate signed code before booting it. As a result, an attacker with physical access to the system could boot unsigned code.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
多款Lenovo产品安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo Flex System x240 M5等都是中国联想（Lenovo）公司的服务器设备。 多款Lenovo产品中存在安全漏洞，该漏洞源于程序在运行签名的代码之前，没有正确的进行身份验证。物理位置临近的攻击者可利用该漏洞运行未签名的代码。以下产品和版本受到影响：Lenovo Flex System x240 M5 BIOS/UEFI 2.61之前版本；Flex System x280 X6 BIOS/UEFI 4.21之前版本；Flex System x480 X6 BIOS/UEFI 4.21
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
Lenovo Group Ltd. Some Lenovo Flex System and Lenovo System x products Affected BIOS version varies by product -

II. Public POCs for CVE-2017-3775

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III. Intelligence Information for CVE-2017-3775

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Vendor Advisories for CVE-2017-3775 (1)

IV. Related Vulnerabilities

Same vendor: Lenovo Group Ltd.

V. Comments for CVE-2017-3775

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