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CVE-2022-3744

Quick assessment

Affected
Lenovo Notebook
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 Notebook是中国联想（Lenovo）公司的联想的一款笔记本电脑。 Lenovo notebook存在信任管理问题漏洞，该漏洞源于LCFC BIOS 中的SMI 处理程序凭据存在硬编码问题，允许具有提升权限的本地攻击者解锁 UEFI 变量。

CVSS 6.7 · Medium EPSS 0.17% · P6
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I. Basic Information for CVE-2022-3744

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A potential vulnerability was discovered in LCFC BIOS for some Lenovo consumer notebook models that could allow a local attacker with elevated privileges to unlock UEFI variables due to a hard-coded SMI handler credential.
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
使用硬编码的凭证
Source: CVE Program / CVE List V5
Vulnerability Title
Lenovo Notebook 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo Notebook是中国联想（Lenovo）公司的联想的一款笔记本电脑。 Lenovo notebook存在信任管理问题漏洞，该漏洞源于LCFC BIOS 中的SMI 处理程序凭据存在硬编码问题，允许具有提升权限的本地攻击者解锁 UEFI 变量。
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 Notebook various -

II. Public POCs for CVE-2022-3744

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III. Intelligence Information for CVE-2022-3744

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Vendor Advisories for CVE-2022-3744 (1)

Same Patch Batch · Lenovo · 2023-08-23 · 5 CVEs total

CVE-2022-3746 6.7 MEDIUM Lenovo Notebook 访问控制错误漏洞
CVE-2022-3742 6.7 MEDIUM Lenovo notebook 安全漏洞
CVE-2022-3745 4.4 MEDIUM Lenovo Notebook 信息泄露漏洞
CVE-2022-3743 4.4 MEDIUM Lenovo Notebook 信息泄露漏洞

IV. Related Vulnerabilities

Same product: Notebook
Same vendor: Lenovo
Same weakness: CWE-798

V. Comments for CVE-2022-3744

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