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CVE-2023-39535— Improper input validation in BIOS

Quick assessment

Affected
AMI AptioV
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.

AMI AptioV是AMI公司的一个固件。 AMI AptioV 存在安全漏洞，该漏洞源于在 BIOS 中包含一个安全问题，攻击者利用该漏洞可以通过本地网络使用不正确的输入验证，导致机密性、完整性和可用性丧失。

CVSS 7.5 · High EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-39535

Vulnerability Information
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Vulnerability Title
Improper input validation in BIOS
Source: CVE Program / CVE List V5
Vulnerability Description
AMI AptioV contains a vulnerability in BIOS where an Attacker may use an improper input validation via the local network. A successful exploit of this vulnerability may lead to a loss of confidentiality, integrity and availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/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
AMI AptioV 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMI AptioV是AMI公司的一个固件。 AMI AptioV 存在安全漏洞，该漏洞源于在 BIOS 中包含一个安全问题，攻击者利用该漏洞可以通过本地网络使用不正确的输入验证，导致机密性、完整性和可用性丧失。
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
AMI AptioV * -

II. Public POCs for CVE-2023-39535

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III. Intelligence Information for CVE-2023-39535

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Other References for CVE-2023-39535 (1)

Same Patch Batch · AMI · 2023-11-14 · 3 CVEs total

CVE-2023-39536 7.5 HIGH Improper input validation in BIOS OFBD
CVE-2023-39537 7.5 HIGH Improper input validation in BIOS TCG2

IV. Related Vulnerabilities

Same product: AptioV
Same vendor: AMI
Same weakness: CWE-20

V. Comments for CVE-2023-39535

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