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CVE-2021-27396

Quick assessment

Affected
Siemens Tecnomatix Plant Simulation
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 Tecnomatix Plant Simulation是德国西门子（Siemens）公司的一个工控设备。利用离散事件仿真的强大功能进行生产量分析和优化，进而改善制造系统性能。 Tecnomatix Plant Simulation 存在安全漏洞。该漏洞源于程序解析SPP文件时，PlantSimCore.dll库缺少对用户提供的数据的正确验证。这可能会导致基于堆栈的缓冲区溢出。以下产品及版本受到影响：Tecnomatix Plant Simulation: All Versions prio

AI Predicted 7.8 Difficulty: Moderate EPSS 1.45% · P72

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-27396

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in Tecnomatix Plant Simulation (All versions < V16.0.5). The PlantSimCore.dll library lacks proper validation of user-supplied data when parsing SPP files. This could result in a stack based buffer overflow, a different vulnerability than CVE-2021-27398. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13279)
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens Tecnomatix Plant Simulation 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens Tecnomatix Plant Simulation是德国西门子（Siemens）公司的一个工控设备。利用离散事件仿真的强大功能进行生产量分析和优化，进而改善制造系统性能。 Tecnomatix Plant Simulation 存在安全漏洞。该漏洞源于程序解析SPP文件时，PlantSimCore.dll库缺少对用户提供的数据的正确验证。这可能会导致基于堆栈的缓冲区溢出。以下产品及版本受到影响：Tecnomatix Plant Simulation: All Versions prio
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 Tecnomatix Plant Simulation All versions < V16.0.5 -

II. Public POCs for CVE-2021-27396

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III. Intelligence Information for CVE-2021-27396

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Vendor Advisories for CVE-2021-27396 (1)

Same Patch Batch · Siemens · 2021-05-12 · 13 CVEs total

CVE-2021-27385 Siemens SmartVNC 资源管理错误漏洞
CVE-2021-27386 Siemens SIMATIC WinCC 缓冲区错误漏洞
CVE-2021-27397 Siemens Tecnomatix Plant Simulation 缓冲区错误漏洞
CVE-2021-27398 siemens Tecnomatix RobotExpert 安全漏洞
CVE-2021-31339 Siemens Mendix 安全漏洞
CVE-2020-25242 多款 Siemens 设备资源管理错误漏洞
CVE-2021-25660 Siemens SIMATIC WinCC 缓冲区错误漏洞
CVE-2021-25661 Siemens SIMATIC WinCC 安全漏洞
CVE-2021-25662 Siemens SIMATIC WinCC 安全漏洞
CVE-2021-27383 Siemens SmartVNC 缓冲区错误漏洞
CVE-2021-27384 Siemens SIMATIC WinCC 安全漏洞
CVE-2019-19276 多款 Siemens 设备缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: Tecnomatix Plant Simulation
Same vendor: Siemens
Same weakness: CWE-121

V. Comments for CVE-2021-27396

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