CVE-2021-3719
Quick assessment
Affected
Lenovo ThinkCentre and ThinkStation 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 ThinkCentre和ThinkStation（联想台式工作站）都是中国联想（Lenovo）公司的产品。Lenovo ThinkCentre是一款台式电脑。ThinkStation是台式工作站 ThinkCentre和ThinkStation 存在输入验证错误漏洞，攻击者可以利用该漏洞执行任意代码。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-3719
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 that saves and restore boot script tables used for resuming from sleep state in some ThinkCentre and ThinkStation 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
ThinkCentre和ThinkStation输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo ThinkCentre和ThinkStation（联想台式工作站）都是中国联想（Lenovo）公司的产品。Lenovo ThinkCentre是一款台式电脑。ThinkStation是台式工作站 ThinkCentre和ThinkStation 存在输入验证错误漏洞，攻击者可以利用该漏洞执行任意代码。
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 | ThinkCentre and ThinkStation BIOS | various | - |
|
II. Public POCs for CVE-2021-3719
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2021-3719 (1)
-
https://support.lenovo.com/us/en/product_security/LEN-67440 x_refsource_MISC
Same Patch Batch · Lenovo · 2021-11-12 · 7 CVEs total
| CVE-2021-3843 | 6.7 MEDIUM | Lenovo ThinkPad 输入验证错误漏洞 |
| CVE-2021-3599 | 6.7 MEDIUM | Lenovo ThinkPad 输入验证错误漏洞 |
| CVE-2021-3519 | 6.4 MEDIUM | ThinkStation 授权问题漏洞 |
| CVE-2021-3720 | 5.5 MEDIUM | Legion Phone Pro（L79031）和Legion Phone2 Pro（L70081）上时间天气系统小部件 安全漏洞 |
| CVE-2021-3786 | 4.4 MEDIUM | Lenovo ThinkPad 输入验证错误漏洞 |
| CVE-2021-3718 | 4.3 MEDIUM | Lenovo ThinkPad 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-3719
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