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CVE-2023-49621

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”系统状态使用具有管理员权限的默认凭据。

CVSS 9.8 · Critical EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2023-49621

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 uses default credential with admin privileges. An attacker could use the credentials to gain complete control of the affected 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
CWE-1392
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”系统状态使用具有管理员权限的默认凭据。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Siemens SIMATIC CN 4100 All versions < V2.7 -

II. Public POCs for CVE-2023-49621

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III. Intelligence Information for CVE-2023-49621

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Vendor Advisories for CVE-2023-49621 (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-2023-49251 8.8 HIGH 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-1392

V. Comments for CVE-2023-49621

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