CVE-2024-8938
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存在缓冲区错误漏洞，该漏洞源于内存缓冲区边界操作限制不当，在中间人攻击成功后通过发送精心设计的Modbus函数调用来篡改涉及内存大小计算的内存区域，可能导致潜在的任意代码执行。
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I. Basic Information for CVE-2024-8938
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could
cause a potential arbitrary code execution after a successful Man-In-The-Middle attack followed by sending a
crafted Modbus function call to tamper with memory area involved in memory size computation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Schneider Electric Modicon M340 缓冲区错误漏洞
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存在缓冲区错误漏洞，该漏洞源于内存缓冲区边界操作限制不当，在中间人攻击成功后通过发送精心设计的Modbus函数调用来篡改涉及内存大小计算的内存区域，可能导致潜在的任意代码执行。
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*) | Versions prior to SV3.65 | - |
|
| Schneider Electric | Modicon MC80 (part numbers BMKC80) | All versions | - |
|
| Schneider Electric | Modicon Momentum Unity M1E Processor (171CBU*) | All Versions | - |
|
II. Public POCs for CVE-2024-8938
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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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-2024-8933 | 7.5 HIGH | Schneider Electric Modicon M340 安全漏洞 |
| 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
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V. Comments for CVE-2024-8938
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