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CVE-2022-45138— WAGO: Missing Authentication for Critical Function

Quick assessment

Affected
WAGO Compact Controller CC100 (751-9301)
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 Series PFC100等都是德国万可（WAGO）公司的产品。WAGO Series PFC100是一款可编程逻辑控制器。WAGO Series PFC200是一款可编程逻辑控制器。WAGO Edge Controller是一个边缘控制器。 多款WAGO产品存在访问控制错误漏洞。攻击者利用该漏洞可以读取和设置多个设备参数，从而导致设备完全受损。以下产品受到影响：Compact Controller CC100、 Edge Controller、 PFC100、Touch Panel 600 A

CVSS 9.8 · Critical EPSS 0.74% · P54
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I. Basic Information for CVE-2022-45138

Vulnerability Information
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Vulnerability Title
WAGO: Missing Authentication for Critical Function
Source: CVE Program / CVE List V5
Vulnerability Description
The configuration backend of the web-based management can be used by unauthenticated users, although only authenticated users should be able to use the API. The vulnerability allows an unauthenticated attacker to read and set several device parameters that can lead to full compromise of the device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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
多款WAGO产品 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WAGO Series PFC100等都是德国万可（WAGO）公司的产品。WAGO Series PFC100是一款可编程逻辑控制器。WAGO Series PFC200是一款可编程逻辑控制器。WAGO Edge Controller是一个边缘控制器。 多款WAGO产品存在访问控制错误漏洞。攻击者利用该漏洞可以读取和设置多个设备参数，从而导致设备完全受损。以下产品受到影响：Compact Controller CC100、 Edge Controller、 PFC100、Touch Panel 600 A
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 Compact Controller CC100 (751-9301) FW16 ~ FW22 -
WAGO Edge Controller (752-8303/8000-002) FW18 ~ FW22 -
WAGO PFC100 (750-81xx/xxx-xxx) FW16 ~ FW22 -
WAGO PFC200 (750-82xx/xxx-xxx) FW16 ~ FW22 -
WAGO Touch Panel 600 Advanced Line (762-5xxx) FW16 ~ FW22 -
WAGO Touch Panel 600 Marine Line (762-6xxx) FW16 ~ FW22 -
WAGO Touch Panel 600 Standard Line (762-4xxx) FW16 ~ FW22 -

II. Public POCs for CVE-2022-45138

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III. Intelligence Information for CVE-2022-45138

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Other References for CVE-2022-45138 (1)

Same Patch Batch · WAGO · 2023-02-27 · 4 CVEs total

CVE-2022-45140 9.8 CRITICAL WAGO: Missing Authentication for Critical Function
CVE-2022-45137 6.1 MEDIUM WAGO: Reflective Cross-Site Scripting
CVE-2022-45139 5.3 MEDIUM WAGO: Origin validation error through CORS misconfiguration

IV. Related Vulnerabilities

Same product: Compact Controller CC100 (751-9301)
Same vendor: WAGO
Same weakness: CWE-306

V. Comments for CVE-2022-45138

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