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I. Basic Information for CVE-2021-32978
Vulnerability Information

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Vulnerability Title
Automation Direct CLICK PLC CPU Modules Plaintext Storage of a Password
Source: NVD (National Vulnerability Database)
Vulnerability Description
The programming protocol allows for a previously entered password and lock state to be read by an attacker. If the previously entered password was successful, the attacker can then use the password to unlock Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
明文存储口令
Source: NVD (National Vulnerability Database)
Vulnerability Title
CLICK PLC CPU Modules 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CLICK PLC CPU Modules是Automation Direct的网络设备一个 CLICK CPU 模块最多可以连接 8 个 I/O 模块,以扩展系统 I/O 数量并满足特定应用的需要。 Automation Direct CLICK PLC CPU Modules存在安全漏洞,该漏洞允许攻击者读取以前输入的密码和锁定状态。如果之前输入的密码成功,攻击者可利用该漏洞就可以使用该密码解锁PLC。
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
Automation DirectCLICK PLC CPU Modules: C0-1x CPUs unspecified ~ 3.00 -
II. Public POCs for CVE-2021-32978
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III. Intelligence Information for CVE-2021-32978
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IV. Related Vulnerabilities
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