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CVE-2018-4838

Quick assessment

Affected
Siemens AG EN100 Ethernet module IEC 61850 variant
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.

Siemens EN100 Ethernet module IEC 61850 variant等都是德国西门子（Siemens）公司的以太网模块产品。 多款Siemens产品中的Web界面(TCP/80)存在安全漏洞。攻击者可利用该漏洞升级或降级设备固件。以下产品和版本受到影响：Siemens EN100 Ethernet module IEC 61850 variant 4.30之前版本；EN100 Ethernet module PROFINET IO variant；EN100 Ethernet m

AI Predicted 9.8 Difficulty: Trivial EPSS 1.40% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2018-4838

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in EN100 Ethernet module IEC 61850 variant (All versions < V4.30), EN100 Ethernet module DNP3 variant (All versions < V1.04), EN100 Ethernet module PROFINET IO variant (All versions), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module IEC 104 variant (All versions < V1.22). The web interface (TCP/80) of affected devices allows an unauthenticated user to upgrade or downgrade the firmware of the device, including to older versions with known vulnerabilities.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
多款Siemens产品访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens EN100 Ethernet module IEC 61850 variant等都是德国西门子（Siemens）公司的以太网模块产品。 多款Siemens产品中的Web界面(TCP/80)存在安全漏洞。攻击者可利用该漏洞升级或降级设备固件。以下产品和版本受到影响：Siemens EN100 Ethernet module IEC 61850 variant 4.30之前版本；EN100 Ethernet module PROFINET IO variant；EN100 Ethernet m
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
Siemens AG EN100 Ethernet module IEC 61850 variant All versions < V4.30 -
Siemens AG EN100 Ethernet module DNP3 variant All versions < V1.04 -
Siemens AG EN100 Ethernet module PROFINET IO variant All versions -
Siemens AG EN100 Ethernet module Modbus TCP variant All versions -
Siemens AG EN100 Ethernet module IEC 104 variant All versions < V1.22 -

II. Public POCs for CVE-2018-4838

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III. Intelligence Information for CVE-2018-4838

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Vendor Advisories for CVE-2018-4838 (2)

IV. Related Vulnerabilities

Same vendor: Siemens AG

V. Comments for CVE-2018-4838

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