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CVE-2017-6034— Schneider Electric Modicon Modbus Protocol Authentication Bypass by Capture-replay

Quick assessment

Affected
Schneider Electric Modicon Modbus Protocol
Exploitation
High exploitation probability; assess promptly
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 Modbus Protocol是法国施耐德电气（Schneider Electric）公司的可编程控制器中的一个应用层传输协议。 Schneider Electric Modicon Modbus Protocol中存在安全漏洞，该漏洞源于程序以明文的形式传递敏感信息。攻击者可利用该漏洞绕过身份验证机制，执行未授权的操作。

AI Predicted 8.1 Difficulty: Easy EPSS 4.78% · P91

Affected Version Matrix 1

VendorProduct Version RangeStatus
Schneider Electric Modicon Modbus Protocol all versions affected
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I. Basic Information for CVE-2017-6034

Vulnerability Information
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Vulnerability Title
Schneider Electric Modicon Modbus Protocol Authentication Bypass by Capture-replay
Source: CVE Program / CVE List V5
Vulnerability Description
An authentication bypass by capture-replay issue was discovered in Schneider Electric Modicon Modbus Protocol. Sensitive information is transmitted in cleartext in the Modicon Modbus protocol, which may allow an attacker to replay the following commands: run, stop, upload, and download.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用捕获-重放进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Schneider Electric Modicon Modbus Protocol 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Schneider Electric Modicon Modbus Protocol是法国施耐德电气（Schneider Electric）公司的可编程控制器中的一个应用层传输协议。 Schneider Electric Modicon Modbus Protocol中存在安全漏洞，该漏洞源于程序以明文的形式传递敏感信息。攻击者可利用该漏洞绕过身份验证机制，执行未授权的操作。
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 Modbus Protocol all versions -

II. Public POCs for CVE-2017-6034

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III. Intelligence Information for CVE-2017-6034

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Vendor Advisories for CVE-2017-6034 (3)

Other References for CVE-2017-6034 (1)

IV. Related Vulnerabilities

Same vendor: Schneider Electric
Same weakness: CWE-294

V. Comments for CVE-2017-6034

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