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CVE-2018-11452

Quick assessment

Affected
Siemens AG Firmware variant IEC 61850 for EN100 Ethernet module
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 Communication Module是德国西门子（Siemens）公司的一款以太网模块产品。 Siemens EN100 Ethernet Communication Module中存在拒绝服务漏洞。当oscillographs正在运行时，攻击者可通过向102/tcp端口发送特制的数据包利用该漏洞造成拒绝服务，影响系统的可用性。以下产品和版本受到影响：Firmware variant IEC 61850 for EN100 Ethernet module

AI Predicted 5.3 Difficulty: Easy EPSS 2.39% · P83
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I. Basic Information for CVE-2018-11452

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in Firmware variant IEC 61850 for EN100 Ethernet module (All versions < V4.33), Firmware variant PROFINET IO for EN100 Ethernet module (All versions), Firmware variant Modbus TCP for EN100 Ethernet module (All versions), Firmware variant DNP3 TCP for EN100 Ethernet module (All versions), Firmware variant IEC104 for EN100 Ethernet module (All versions < V1.22). Specially crafted packets to port 102/tcp could cause a denial-of-service condition in the EN100 communication module if oscillographs are running. A manual restart is required to recover the EN100 module functionality. Successful exploitation requires an attacker with network access to send multiple packets to the EN100 module. As a precondition the IEC 61850-MMS communication needs to be activated on the affected EN100 modules. No user interaction or privileges are required to exploit the security vulnerability. The vulnerability could allow causing a Denial-of-Service condition of the network functionality of the device, compromising the availability of the system. At the time of advisory publication no public exploitation of this security vulnerability was known.
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
Siemens EN100 Ethernet Communication Module 输入验证漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens EN100 Ethernet Communication Module是德国西门子（Siemens）公司的一款以太网模块产品。 Siemens EN100 Ethernet Communication Module中存在拒绝服务漏洞。当oscillographs正在运行时，攻击者可通过向102/tcp端口发送特制的数据包利用该漏洞造成拒绝服务，影响系统的可用性。以下产品和版本受到影响：Firmware variant IEC 61850 for EN100 Ethernet module
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 Firmware variant IEC 61850 for EN100 Ethernet module All versions < V4.33 -
Siemens AG Firmware variant PROFINET IO for EN100 Ethernet module All versions -
Siemens AG Firmware variant Modbus TCP for EN100 Ethernet module All versions -
Siemens AG Firmware variant DNP3 TCP for EN100 Ethernet module All versions -
Siemens AG Firmware variant IEC104 for EN100 Ethernet module All versions < V1.22 -

II. Public POCs for CVE-2018-11452

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III. Intelligence Information for CVE-2018-11452

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Vendor Advisories for CVE-2018-11452 (3)

IV. Related Vulnerabilities

Same product: Firmware variant IEC 61850 for EN100 Ethernet module
Same vendor: Siemens AG

V. Comments for CVE-2018-11452

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