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CVE-2022-37301

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 存在数字错误漏洞，该漏洞源于内存访问违规。以下产品及版本受到影响：Modicon M340 CPU (BMXP34 V3.40版本及之前版本)、Modicon M580 CPU (BMEP 和 BMEH* V3.22版本及之前版本)、Legacy Modi

CVSS 7.5 · High EPSS 0.75% · P53

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-37301

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus TCP protocol. Affected products: Modicon M340 CPU (part numbers BMXP34*)(V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*)(V3.22 and prior), Legacy Modicon Quantum/Premium(All Versions), Modicon Momentum MDI (171CBU*)(All Versions), Modicon MC80 (BMKC80)(V1.7 and prior)
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数下溢(超界折返)
Source: CVE Program / CVE List V5
Vulnerability Title
Schneider Electric Modicon M340 数字错误漏洞
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 存在数字错误漏洞，该漏洞源于内存访问违规。以下产品及版本受到影响：Modicon M340 CPU (BMXP34* V3.40版本及之前版本)、Modicon M580 CPU (BMEP* 和 BMEH* V3.22版本及之前版本)、Legacy Modi
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*) V ~ 3.40 -
Schneider Electric Modicon M580 CPU (part numbers BMEP* and BMEH*) V ~ 3.22 -
Schneider Electric Legacy Modicon Quantum/Premium All Versions -
Schneider Electric Modicon Momentum MDI (171CBU*) All Versions -
Schneider Electric Modicon MC80 (BMKC80) V ~ 1.7 -

II. Public POCs for CVE-2022-37301

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III. Intelligence Information for CVE-2022-37301

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Other References for CVE-2022-37301 (1)

IV. Related Vulnerabilities

Same product: Modicon M340 CPU (part numbers BMXP34*)
Same vendor: Schneider Electric
Same weakness: CWE-191

V. Comments for CVE-2022-37301

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