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I. Basic Information for CVE-2021-3897
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An authentication bypass vulnerability was discovered in an internal service of the Lenovo Fan Power Controller2 (FPC2) and Lenovo System Management Module (SMM) firmware during an that could allow an unauthenticated attacker to execute commands on the SMM and FPC2. SMM2 is not affected.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: NVD (National Vulnerability Database)
Vulnerability Title
Lenovo Fan Power Controller2 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo Fan Power Controller2(Lenovo Fpc2)是中国联想(Lenovo)公司的一个风扇电源控制器固件。 Lenovo Fan Power Controller2 (FPC2) 和 Lenovo System Management Module (SMM) 固件的内部服务中存在安全漏洞,该漏洞可能允许未经身份验证的攻击者在 SMM 和 FPC2 上执行命令。SMM2 不受影响。
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
VendorProductAffected VersionsCPESubscribe
LenovoFan Power Controller2 (FPC2) various -
LenovoLenovo System Management Module (SMM) various -
II. Public POCs for CVE-2021-3897
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III. Intelligence Information for CVE-2021-3897
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IV. Related Vulnerabilities
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