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CVE-2023-6408

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，存在中间人攻击，可能导致拒绝服务。

CVSS 8.1 · High EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2023-6408

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 a denial of service and loss of confidentiality, integrity of controllers when conducting a Man in the Middle attack.
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
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，存在中间人攻击，可能导致拒绝服务。
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 sv3.60 -
Schneider Electric Modicon M580 CPU (part numbers BMEP* and BMEH*, excluding M580 CPU Safety) Versions prior to sv4.20 -
Schneider Electric Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) All Versions -
Schneider Electric EcoStruxure Control Expert Versions prior to v16.0 -
Schneider Electric EcoStruxure Process Expert Versions prior to v2023 -

II. Public POCs for CVE-2023-6408

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III. Intelligence Information for CVE-2023-6408

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Other References for CVE-2023-6408 (1)

Same Patch Batch · Schneider Electric · 2024-02-14 · 4 CVEs total

CVE-2024-0568 8.8 HIGH Schneider Electric Harmony Control Relay 授权问题漏洞
CVE-2023-6409 7.7 HIGH Schneider Electric Modicon M340 信任管理问题漏洞
CVE-2023-27975 7.1 HIGH Schneider Electric Modicon M340 安全漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2023-6408

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