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CVE-2011-20002

CVSS 7.4 · High EPSS 0.04% · P14
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I. Basic Information for CVE-2011-20002

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been identified in SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) (All versions < V2.0.2), SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants) (All versions < V2.0.2). Affected controllers are vulnerable to capture-replay in the communication with the engineering software. This could allow an on-path attacker between the engineering software and the controller to execute any previously recorded commands at a later time (e.g. set the controller to STOP), regardless whether or not the controller had a password configured.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用捕获-重放进行的认证绕过
Source: NVD (National Vulnerability Database)
Vulnerability Title
Siemens SIMATIC S7-1200 CPU V1 family和Siemens SIMATIC S7-1200 CPU V2 family 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC S7-1200 CPU V1 family和Siemens SIMATIC S7-1200 CPU V2 family都是德国西门子（Siemens）公司的一系列可编程逻辑控制器。 Siemens SIMATIC S7-1200 CPU V1 family和Siemens SIMATIC S7-1200 CPU V2 family存在安全漏洞，该漏洞源于工程软件通信中存在捕获重放问题，可能导致攻击者执行任意记录的命令。
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

VendorProductAffected VersionsCPESubscribe
SiemensSIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) 0 ~ V2.0.2 -
SiemensSIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants) 0 ~ V2.0.2 -

II. Public POCs for CVE-2011-20002

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III. Intelligence Information for CVE-2011-20002

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Same Patch Batch · Siemens · 2025-10-14 · 12 CVEs total

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CVE-2025-407719.8 CRITICALSiemens SIMATIC CP Series 访问控制错误漏洞
CVE-2025-407558.8 HIGHSiemens SINEC NMS SQL注入漏洞
CVE-2025-408097.8 HIGHSiemens Solid Edge SE2025和Siemens Solid Edge SE2024 缓冲区错误漏洞
CVE-2025-408107.8 HIGHSiemens Solid Edge SE2025和Siemens Solid Edge SE2024 缓冲区错误漏洞
CVE-2025-408117.8 HIGHSiemens Solid Edge SE2025和Siemens Solid Edge SE2024 缓冲区错误漏洞
CVE-2025-408127.8 HIGHSiemens Solid Edge SE2025和Siemens Solid Edge SE2024 缓冲区错误漏洞
CVE-2011-200017.5 HIGHSiemens SIMATIC S7-1200 CPU V1 family和Siemens SIMATIC S7-1200 CPU V2 family 输入验证错误漏洞
CVE-2025-407727.4 HIGHSiemens SiPass integrated 跨站脚本漏洞
CVE-2025-407744.4 MEDIUMSiemens SiPass Integrated 安全漏洞
CVE-2025-407733.5 LOWSiemens SiPass integrated 安全漏洞

IV. Related Vulnerabilities

Same product: SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants)
Same vendor: Siemens
Same weakness: CWE-294

V. Comments for CVE-2011-20002

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