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CVE-2022-40137

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 Desktops（联想台式机）是中国联想（Lenovo）公司的台式电脑。 Lenovo Desktop存在安全漏洞，该漏洞源于SMI处理程序中存在缓冲区溢出，可能允许具有本地访问权限和高权限的攻击者执行任意代码。

CVSS 6.7 · Medium EPSS 0.23% · P12
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I. Basic Information for CVE-2022-40137

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A buffer overflow in the WMI SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to execute arbitrary code.
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
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Lenovo Desktop 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo Desktops（联想台式机）是中国联想（Lenovo）公司的台式电脑。 Lenovo Desktop存在安全漏洞，该漏洞源于SMI处理程序中存在缓冲区溢出，可能允许具有本地访问权限和高权限的攻击者执行任意代码。
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
Lenovo BIOS various -

II. Public POCs for CVE-2022-40137

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III. Intelligence Information for CVE-2022-40137

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Vendor Advisories for CVE-2022-40137 (1)

Same Patch Batch · Lenovo · 2023-01-30 · 6 CVEs total

CVE-2022-34884 7.2 HIGH Lenovo XClarity Controller 缓冲区错误漏洞
CVE-2022-40136 4.4 MEDIUM Lenovo Desktops 缓冲区错误漏洞
CVE-2022-40135 4.4 MEDIUM Lenovo Desktops 缓冲区错误漏洞
CVE-2022-40134 4.4 MEDIUM Lenovo Desktops 缓冲区错误漏洞
CVE-2022-34888 2.7 LOW Lenovo XClarity Controller 安全漏洞

IV. Related Vulnerabilities

Same product: BIOS
Same vendor: Lenovo
Same weakness: CWE-120

V. Comments for CVE-2022-40137

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