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CVE-2022-3432

Quick assessment

Affected
Lenovo 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.

Lenovo IdeaPad是中国联想（Lenovo）公司的一系列笔记本电脑。 Lenovo IdeaPad Y700-14ISK存在安全漏洞。攻击者利用该漏洞通过修改NVRAM变量来修改安全引导设置。

CVSS 6.7 · Medium EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1556.003 · Pluggable Authentication Modules
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I. Basic Information for CVE-2022-3432

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A potential vulnerability in a driver used during manufacturing process on the Ideapad Y700-14ISK that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Lenovo IdeaPad Y700-14ISK 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo IdeaPad是中国联想（Lenovo）公司的一系列笔记本电脑。 Lenovo IdeaPad Y700-14ISK存在安全漏洞。攻击者利用该漏洞通过修改NVRAM变量来修改安全引导设置。
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 BIOS various -

II. Public POCs for CVE-2022-3432

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III. Intelligence Information for CVE-2022-3432

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Vendor Advisories for CVE-2022-3432 (1)

Same Patch Batch · Lenovo · 2023-01-23 · 6 CVEs total

CVE-2022-3430 6.7 MEDIUM Lenovo Notebook 安全漏洞
CVE-2022-1892 6.7 MEDIUM Lenovo Notebook 安全漏洞
CVE-2022-1891 6.7 MEDIUM Lenovo Notebook 安全漏洞
CVE-2022-1890 6.7 MEDIUM Lenovo Notebook 缓冲区错误漏洞
CVE-2022-4816 6.2 MEDIUM Lenovo Safecenter 安全漏洞

IV. Related Vulnerabilities

Same product: BIOS
Same vendor: Lenovo
Same weakness: CWE-276