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CVE-2023-4857

Quick assessment

Affected
Lenovo SMM, SMM2, FPC
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 SMM/SMM2/FPC是中国联想（Lenovo）公司的一款应用程序。 Lenovo SMM/SMM2/FPC 存在安全漏洞，该漏洞源于存在身份验证绕过漏洞。攻击者可利用该漏洞调用某些IPMI，从而导致信息泄露。

CVSS 7.5 · High EPSS 0.53% · P43
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I. Basic Information for CVE-2023-4857

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Lenovo SMM/SMM2/FPC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo SMM/SMM2/FPC是中国联想（Lenovo）公司的一款应用程序。 Lenovo SMM/SMM2/FPC 存在安全漏洞，该漏洞源于存在身份验证绕过漏洞。攻击者可利用该漏洞调用某些IPMI，从而导致信息泄露。
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 SMM, SMM2, FPC various -

II. Public POCs for CVE-2023-4857

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III. Intelligence Information for CVE-2023-4857

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Vendor Advisories for CVE-2023-4857 (1)

Same Patch Batch · Lenovo · 2024-04-15 · 6 CVEs total

CVE-2023-4856 8.8 HIGH Lenovo SMM/SMM2/FPC 安全漏洞
CVE-2023-4855 7.2 HIGH Lenovo SMM/SMM2/FPC 安全漏洞
CVE-2024-2659 7.2 HIGH Lenovo SMM/SMM2/FPC 安全漏洞
CVE-2024-23593 6.7 MEDIUM Microsoft Windows Secure Boot 安全漏洞
CVE-2024-23594 6.4 MEDIUM Microsoft Windows Secure Boot 安全漏洞

IV. Related Vulnerabilities

Same product: SMM, SMM2, FPC
Same vendor: Lenovo
Same weakness: CWE-306

V. Comments for CVE-2023-4857

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