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CVE-2020-15796

Quick assessment

Affected
Siemens SIMATIC ET 200SP Open Controller (incl. SIPLUS variants)
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 Controller Web Servers是德国西门子（Siemens）公司的一个为西门子自动化产品提供Web端控制的平台。 Siemens SIMATIC Controller Web Servers 存在安全漏洞，攻击者可利用该漏洞可以向产品的web服务器发送一个特制的HTTP请求，这可能会导致拒绝服务的情况。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.61% · P75

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-15796

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 ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SIMATIC Controller Web Servers 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC Controller Web Servers是德国西门子（Siemens）公司的一个为西门子自动化产品提供Web端控制的平台。 Siemens SIMATIC Controller Web Servers 存在安全漏洞，攻击者可利用该漏洞可以向产品的web服务器发送一个特制的HTTP请求，这可能会导致拒绝服务的情况。
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 ET 200SP Open Controller (incl. SIPLUS variants) V20.8 -
Siemens SIMATIC S7-1500 Software Controller V20.8 -

II. Public POCs for CVE-2020-15796

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III. Intelligence Information for CVE-2020-15796

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Vendor Advisories for CVE-2020-15796 (1)

Same Patch Batch · Siemens · 2020-12-14 · 17 CVEs total

CVE-2019-19283 Siemens XHQ 信息泄露漏洞
CVE-2019-19284 Siemens XHQ 跨站脚本漏洞
CVE-2019-19285 Siemens XHQ 跨站脚本漏洞
CVE-2019-19286 Siemens XHQ SQL注入漏洞
CVE-2019-19287 Siemens XHQ 信息泄露漏洞
CVE-2019-19288 Siemens XHQ 跨站脚本漏洞
CVE-2019-19289 Siemens XHQ 跨站请求伪造漏洞
CVE-2020-25228 Siemens LOGO! 8 BM 访问控制错误漏洞
CVE-2020-25229 Siemens LOGO! 8 BM 信任管理问题漏洞
CVE-2020-25230 Siemens LOGO! 8 BM 加密问题漏洞
CVE-2020-25231 Siemens LOGO! 8 BM 安全漏洞
CVE-2020-25232 Siemens LOGO! 8 BM 加密问题漏洞
CVE-2020-25233 Siemens LOGO! 8 BM 安全漏洞
CVE-2020-25234 Siemens LOGO! 8 BM 授权问题漏洞
CVE-2020-25235 Siemens LOGO! 8 BM 安全漏洞
CVE-2020-28396 多款Siemens产品安全漏洞

IV. Related Vulnerabilities

Same vendor: Siemens
Same weakness: CWE-248

V. Comments for CVE-2020-15796

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