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CVE-2020-12506— WAGO: Authentication Bypass Vulnerability in WAGO 750-36X and WAGO 750-8XX Versions <= FW03

Quick assessment

Affected
WAGO 750-362
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.

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存在访问控制错误漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。以下产品及版本受到影响：WAGO 750-362版本FW03和以前的版本。WAGO 750-363版本FW03和以前的版本。FW03 WAGO 750 - 823版本和之前的版本。WAGO 750-832/xxx-xxx版本FW03和以前的版本。WAGO 750-862版本FW03和以

CVSS 9.1 · Critical EPSS 1.45% · P73

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-12506

Vulnerability Information
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Vulnerability Title
WAGO: Authentication Bypass Vulnerability in WAGO 750-36X and WAGO 750-8XX Versions <= FW03
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the settings of the devices by sending specifically constructed requests without authentication This issue affects: WAGO 750-362, WAGO 750-363, WAGO 750-823, WAGO 750-832/xxx-xxx, WAGO 750-862, WAGO 750-891, WAGO 750-890/xxx-xxx in versions FW03 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WAGO 访问控制错误漏洞
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存在访问控制错误漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。以下产品及版本受到影响：WAGO 750-362版本FW03和以前的版本。WAGO 750-363版本FW03和以前的版本。FW03 WAGO 750 - 823版本和之前的版本。WAGO 750-832/xxx-xxx版本FW03和以前的版本。WAGO 750-862版本FW03和以
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
WAGO 750-362 unspecified ~ FW03 -
WAGO 750-363 unspecified ~ FW03 -
WAGO 750-823 unspecified ~ FW03 -
WAGO 750-832/xxx-xxx unspecified ~ FW03 -
WAGO 750-862 unspecified ~ FW03 -
WAGO 750-891 unspecified ~ FW03 -
WAGO 750-890/xxx-xxx unspecified ~ FW03 -

II. Public POCs for CVE-2020-12506

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III. Intelligence Information for CVE-2020-12506

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Other References for CVE-2020-12506 (1)

IV. Related Vulnerabilities

Same vendor: WAGO
Same weakness: CWE-306

V. Comments for CVE-2020-12506

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