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I. Basic Information for CVE-2025-55038
Vulnerability Information
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Vulnerability Title
AutomationDirect CLICK PLUS Missing Authorization
Source: NVD (National Vulnerability Database)
Vulnerability Description
An authorization bypass vulnerability has been discovered in the Click Plus C2-03CPU2 device firmware version 3.60. Through the KOPR protocol utilized by the Remote PLC application, authenticated users with low-level access permissions can exploit this vulnerability to read and modify PLC variables beyond their intended authorization level.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
AutomationDirect CLICK PLUS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AutomationDirect CLICK PLUS是美国AutomationDirect公司的一款小型可编程逻辑控制器。 AutomationDirect CLICK PLUS 3.60版本存在安全漏洞，该漏洞源于KOPR协议授权不当，可能导致低权限用户越权读取和修改PLC变量。
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
VendorProductAffected VersionsCPESubscribe
AutomationDirectCLICK PLUS C0-0x CPU firmware 0 ~ v3.71 -
AutomationDirectCLICK PLUS C0-1x CPU firmware 0 ~ v3.71 -
AutomationDirectCLICK PLUS C2-x CPU firmware 0 ~ v3.71 -
II. Public POCs for CVE-2025-55038
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III. Intelligence Information for CVE-2025-55038
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IV. Related Vulnerabilities
Same product: CLICK PLUS C0-0x CPU firmware
Same vendor: AutomationDirect
Same weakness: CWE-862
V. Comments for CVE-2025-55038

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