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CVE-2021-4210

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.

Intel Processors（英特尔处理器）是美国英特尔（Intel）公司的提供解释计算机指令以及处理计算机软件中的数据。 Intel Processors BIOS firmware 存在安全漏洞，该漏洞源于英特尔处理器的BIOS固件中潜在的安全漏洞。攻击者可利用该漏洞导致特权升级、拒绝服务。

CVSS 6.7 · Medium EPSS 0.25% · P17

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-4210

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A potential vulnerability in the SMI callback function used in the NVME driver in some Lenovo Desktop, ThinkStation, and ThinkEdge 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
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Intel Processors 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Intel Processors（英特尔处理器）是美国英特尔（Intel）公司的提供解释计算机指令以及处理计算机软件中的数据。 Intel Processors BIOS firmware 存在安全漏洞，该漏洞源于英特尔处理器的BIOS固件中潜在的安全漏洞。攻击者可利用该漏洞导致特权升级、拒绝服务。
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-2021-4210

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III. Intelligence Information for CVE-2021-4210

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Vendor Advisories for CVE-2021-4210 (1)

Same Patch Batch · Lenovo · 2022-04-22 · 15 CVEs total

CVE-2021-3897 9.8 CRITICAL Lenovo Fan Power Controller2 授权问题漏洞
CVE-2021-3849 9.8 CRITICAL Lenovo Fan Power Controller2和Lenovo System Management Module 授权问题漏洞
CVE-2022-0354 7.3 HIGH Lenovo Vantage代码注入漏洞
CVE-2022-0192 7.3 HIGH Lenovo PCManager 代码问题漏洞
CVE-2022-1108 6.7 MEDIUM Lenovo ThinkPad 缓冲区错误漏洞
CVE-2022-1107 6.7 MEDIUM Lenovo ThinkPad 权限许可和访问控制问题漏洞
CVE-2021-4212 6.7 MEDIUM Lenovo Notebook 输入验证错误漏洞
CVE-2021-4211 6.7 MEDIUM Intel Processors 输入验证错误漏洞
CVE-2021-3972 6.7 MEDIUM Lenovo Notebook 安全漏洞
CVE-2021-3971 6.7 MEDIUM Lenovo Notebook 安全漏洞
CVE-2021-3970 6.7 MEDIUM Lenovo Notebook 输入验证错误漏洞
CVE-2021-3721 5.5 MEDIUM Lenovo Pcmanager 缓冲区错误漏洞
CVE-2022-0636 5.0 MEDIUM Lenovo Thin Installer 输入验证错误漏洞
CVE-2021-3722 5.0 MEDIUM Lenovo Pcmanager 安全漏洞

IV. Related Vulnerabilities

Same product: BIOS
Same vendor: Lenovo
Same weakness: CWE-20

V. Comments for CVE-2021-4210

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