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CVE-2021-34578— WAGO: Authentication Vulnerability in Web-Based Management

CVSS 9.8 · Critical EPSS 0.34% · P56
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I. Basic Information for CVE-2021-34578

Vulnerability Information
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Vulnerability Title
WAGO: Authentication Vulnerability in Web-Based Management
Source: NVD (National Vulnerability Database)
Vulnerability Description
This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
认证机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
WAGO 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WAGO是德国万可（WAGO）的一款750-88x系列可编程逻辑控制器。该设备专门为在工业环境下应用而设计的数字运算操作电子系统。 WAGO PLC 在FW07固件版本存在授权问题漏洞，攻击者可利用该漏洞通过发送专门构造的请求来读取和写入设备的设置参数
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
WAGOPLC 750-362 ~ FW07 -

II. Public POCs for CVE-2021-34578

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III. Intelligence Information for CVE-2021-34578

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IV. Related Vulnerabilities

Same vendor: WAGO
Same weakness: CWE-287

V. Comments for CVE-2021-34578

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