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CVE-2023-49251

Quick assessment

Affected
Siemens SIMATIC CN 4100
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 SIMATIC CN 4100是德国西门子（Siemens）公司的一个通信节点。 Siemens SIMATIC CN 4100 存在安全漏洞，该漏洞源于受影响应用程序的“intermediate installation”系统状态允许攻击者将自己的登录凭据添加到设备。

CVSS 8.8 · High EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1136 · Create Account
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I. Basic Information for CVE-2023-49251

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system state of the affected application allows an attacker to add their own login credentials to the device. This allows an attacker to remotely login as root and take control of the device even after the affected device is fully set up.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SIMATIC CN 4100 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC CN 4100是德国西门子（Siemens）公司的一个通信节点。 Siemens SIMATIC CN 4100 存在安全漏洞，该漏洞源于受影响应用程序的“intermediate installation”系统状态允许攻击者将自己的登录凭据添加到设备。
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 SIMATIC CN 4100 All versions < V2.7 -

II. Public POCs for CVE-2023-49251

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III. Intelligence Information for CVE-2023-49251

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Vendor Advisories for CVE-2023-49251 (1)

Same Patch Batch · Siemens · 2024-01-09 · 21 CVEs total

CVE-2023-51438 10.0 CRITICAL Siemens SIMATIC IPC1047E 安全漏洞
CVE-2023-49621 9.8 CRITICAL Siemens SIMATIC CN 4100 安全漏洞
CVE-2023-51745 7.8 HIGH Siemens JT2GO和Teamcenter Visualization 安全漏洞
CVE-2023-44120 7.8 HIGH Siemens Spectrum Power 安全漏洞
CVE-2023-49121 7.8 HIGH Siemens Solid Edge 安全漏洞
CVE-2023-49122 7.8 HIGH Siemens Solid Edge 安全漏洞
CVE-2023-49123 7.8 HIGH Siemens Solid Edge 安全漏洞
CVE-2023-49124 7.8 HIGH Siemens Solid Edge 安全漏洞
CVE-2023-49126 7.8 HIGH Siemens Solid Edge 缓冲区错误漏洞
CVE-2023-49127 7.8 HIGH Siemens Solid Edge 缓冲区错误漏洞
CVE-2023-49128 7.8 HIGH Siemens Solid Edge 缓冲区错误漏洞
CVE-2023-49129 7.8 HIGH Siemens Solid Edge 安全漏洞
CVE-2023-49130 7.8 HIGH Siemens Solid Edge 缓冲区错误漏洞
CVE-2023-49131 7.8 HIGH Siemens Solid Edge 缓冲区错误漏洞
CVE-2023-49132 7.8 HIGH Siemens Solid Edge 缓冲区错误漏洞
CVE-2023-51439 7.8 HIGH Siemens JT2GO 和 Teamcenter Visualization 缓冲区错误漏洞
CVE-2023-51746 7.8 HIGH Siemens JT2GO和Teamcenter Visualization 安全漏洞
CVE-2023-49252 7.5 HIGH Siemens SIMATIC CN 4100 输入验证错误漏洞
CVE-2023-42797 6.6 MEDIUM Siemens CP-8031 安全漏洞
CVE-2023-51744 3.3 LOW Siemens JT2GO 代码问题漏洞

IV. Related Vulnerabilities

Same product: SIMATIC CN 4100
Same vendor: Siemens
Same weakness: CWE-639

V. Comments for CVE-2023-49251

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