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CVE-2018-4842

Quick assessment

Affected
Siemens SCALANCE X-200IRT switch family (incl. SIPLUS NET 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 Scalance X-200是德国西门子（Siemens）公司的一款工业级以太网交换机。 Siemens SCALANCE X-200 IRT 5.4.1之前版本和SCALANCE X-300中存在跨站脚本漏洞。远程攻击者可利用该漏洞向网站上存储脚本代码并在用户浏览器中执行该代码。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.83% · P55
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I. Basic Information for CVE-2018-4842

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.4.1), SCALANCE X-200RNA switch family (All versions < V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions < V4.1.3). A remote, authenticated attacker with access to the configuration web server could be able to store script code on the web site, if the HRP redundancy option is set. This code could be executed in the web browser of victims visiting this web site (XSS), affecting its confidentiality, integrity and availability. User interaction is required for successful exploitation, as the user needs to visit the manipulated web site. At the stage of publishing this security advisory no public exploitation is known. The vendor has confirmed the vulnerability and provides mitigations to resolve it.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SCALANCE X-200 IRT和SCALANCE X-300 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens Scalance X-200是德国西门子（Siemens）公司的一款工业级以太网交换机。 Siemens SCALANCE X-200 IRT 5.4.1之前版本和SCALANCE X-300中存在跨站脚本漏洞。远程攻击者可利用该漏洞向网站上存储脚本代码并在用户浏览器中执行该代码。
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 SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) All versions < V5.4.1 -
Siemens SCALANCE X-200RNA switch family All versions < V3.2.7 -
Siemens SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) All versions < V4.1.3 -

II. Public POCs for CVE-2018-4842

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III. Intelligence Information for CVE-2018-4842

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Vendor Advisories for CVE-2018-4842 (2)

Same Patch Batch · Siemens · 2018-06-14 · 3 CVEs total

CVE-2018-4833 多款Siemens产品输入验证错误漏洞
CVE-2018-4848 Siemens SCALANCE X-200 IRT 跨站脚本漏洞

IV. Related Vulnerabilities

Same vendor: Siemens
Same weakness: CWE-79

V. Comments for CVE-2018-4842

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