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CVE-2024-8933

Quick assessment

Affected
Schneider Electric Modicon M340 CPU (part numbers BMXP34*)
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.

Schneider Electric Modicon M340是法国施耐德电气（Schneider Electric）公司的一款用于工业过程和基础设施的中程PLC（可编程逻辑控制器）。 Schneider Electric Modicon M340存在安全漏洞，该漏洞源于通信通道传输过程中消息完整性执行不当，可能导致密码哈希被检索，从而导致拒绝服务以及控制器机密性和完整性的丧失。

CVSS 7.5 · High EPSS 0.29% · P22
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I. Basic Information for CVE-2024-8933

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability exists that could cause retrieval of password hash that could lead to denial of service and loss of confidentiality and integrity of controllers. To be successful, the attacker needs to inject themself inside the logical network while a valid user uploads or downloads a project file into the controller.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通信信道中传输过程中消息完整性的不正确执行
Source: CVE Program / CVE List V5
Vulnerability Title
Schneider Electric Modicon M340 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Schneider Electric Modicon M340是法国施耐德电气（Schneider Electric）公司的一款用于工业过程和基础设施的中程PLC（可编程逻辑控制器）。 Schneider Electric Modicon M340存在安全漏洞，该漏洞源于通信通道传输过程中消息完整性执行不当，可能导致密码哈希被检索，从而导致拒绝服务以及控制器机密性和完整性的丧失。
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
Schneider Electric Modicon M340 CPU (part numbers BMXP34*) All versions -
Schneider Electric Modicon MC80 (part numbers BMKC80) All versions -
Schneider Electric Modicon Momentum Unity M1E Processor (171CBU*) All Versions -

II. Public POCs for CVE-2024-8933

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III. Intelligence Information for CVE-2024-8933

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Same Patch Batch · Schneider Electric · 2024-11-13 · 7 CVEs total

CVE-2024-10575 9.8 CRITICAL Schneider Electric EcoStruxure IT Gateway 安全漏洞
CVE-2024-8938 8.1 HIGH Schneider Electric Modicon M340 缓冲区错误漏洞
CVE-2024-8935 7.5 HIGH Schneider Electric Modicon M340 安全漏洞
CVE-2024-9409 7.5 HIGH Schneider Electric多款产品 资源管理错误漏洞
CVE-2024-8937 6.5 MEDIUM Schneider Electric Modicon M340 缓冲区错误漏洞
CVE-2024-8936 6.5 MEDIUM Schneider Electric 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: Modicon M340 CPU (part numbers BMXP34*)
Same vendor: Schneider Electric
Same weakness: CWE-924

V. Comments for CVE-2024-8933

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