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CVE-2022-3843— WAGO: Exposure of configuration interface in unmanaged switches

Quick assessment

Affected
WAGO Unmanaged Switch 852-111/000-001
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）公司的一款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 Unmanaged Switch (852-111/000-001) 固件版本 01存在安全漏洞，该漏洞源于未经授权的未记录配置接口允许远程攻击者读取系统信息并配置一组有限的参数。

CVSS 9.1 · Critical EPSS 0.89% · P58
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I. Basic Information for CVE-2022-3843

Vulnerability Information
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Vulnerability Title
WAGO: Exposure of configuration interface in unmanaged switches
Source: CVE Program / CVE List V5
Vulnerability Description
In WAGO Unmanaged Switch (852-111/000-001) in firmware version 01 an undocumented configuration interface without authorization allows an remote attacker to read system information and configure a limited set of parameters.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
隐藏功能
Source: CVE Program / CVE List V5
Vulnerability Title
WAGO 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WAGO是德国万可（WAGO）公司的一款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 Unmanaged Switch (852-111/000-001) 固件版本 01存在安全漏洞，该漏洞源于未经授权的未记录配置接口允许远程攻击者读取系统信息并配置一组有限的参数。
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

Vendor Product Affected Versions CPE Subscribe
WAGO Unmanaged Switch 852-111/000-001 01 -

II. Public POCs for CVE-2022-3843

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III. Intelligence Information for CVE-2022-3843

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Other References for CVE-2022-3843 (1)

IV. Related Vulnerabilities

Same vendor: WAGO
Same weakness: CWE-912

V. Comments for CVE-2022-3843

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