CVE-2021-27396
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I. Basic Information for CVE-2021-27396
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.zerodayinitiative.com/advisories/ZDI-21-568/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-27396
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 weakness: CWE-121
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Squirrel sqstdstring.cpp validate_format stack-based overflo - CVE-2026-8234
EFM ipTIME A8004T WifiBasicSet formWifiBasicSet stack-based - CVE-2026-6665
PgBouncer buffer overflow in SCRAM - CVE-2026-41509
Integer underflow in crypto_sign_open() leads to buffer over - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
V. Comments for CVE-2021-27396
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