CVE-2021-3452
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I. Basic Information for CVE-2021-3452
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A potential vulnerability in the system shutdown SMI callback function in some ThinkPad models may allow an attacker with local access and elevated privileges to execute arbitrary code.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Lenovo Bios 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo Bios是中国联想（Lenovo）公司的一种电脑的引导方式。用于电脑启动时引导系统。 Lenovo BIOS存在授权问题漏洞，该漏洞源于系统的 system shutdown SMI callback 函数缺少权限控制，攻击者可通过该漏洞本地登陆并提升特权执行代码。
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 | ThinkPad BIOS | various | - |
II. Public POCs for CVE-2021-3452
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://support.lenovo.com/us/en/product_security/LEN-65529x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3452
Same Patch Batch · Lenovo · 2021-07-16 · 4 CVEs total
| CVE-2021-3550 | 7.8 HIGH | Lenovo Pcmanager 代码问题漏洞 |
| CVE-2021-3453 | 6.8 MEDIUM | 多款 Lenovo 设备 安全漏洞 |
| CVE-2021-3614 | 6.4 MEDIUM | Lenovo BIOS 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-3452
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