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CVE-2020-28395

Quick assessment

Affected
Siemens SCALANCE X-200RNA switch family
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是德国西门子（Siemens）公司的一系列以太网交换机。可连接到工业控制系统 (ICS) 设备，包括可编程逻辑控制器 (PLC) 和人机界面 (HMI) 系统。 Siemens SCALANCE 中存在信任管理问题漏洞，攻击者可利用该漏洞捕获流量。以下产品及版本受到影响：SCALANCE X-200、SCALANCE X-200IRT、SCALANCE X-300 4.1.0之前。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.18% · P66
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I. Basic Information for CVE-2020-28395

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-200RNA switch family (All versions < V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions < V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5
Vulnerability Title
多款Siemens产品信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SCALANCE是德国西门子（Siemens）公司的一系列以太网交换机。可连接到工业控制系统 (ICS) 设备，包括可编程逻辑控制器 (PLC) 和人机界面 (HMI) 系统。 Siemens SCALANCE 中存在信任管理问题漏洞，攻击者可利用该漏洞捕获流量。以下产品及版本受到影响：SCALANCE X-200、SCALANCE X-200IRT、SCALANCE X-300 4.1.0之前。
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-200RNA switch family All versions < V3.2.7 -
Siemens SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) All versions < V4.1.0 -

II. Public POCs for CVE-2020-28395

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III. Intelligence Information for CVE-2020-28395

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Vendor Advisories for CVE-2020-28395 (2)

Same Patch Batch · Siemens · 2021-01-12 · 28 CVEs total

CVE-2020-26989 Siemens Jt2go和Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2020-28390 Siemens Opcenter 信息泄露漏洞
CVE-2020-28386 Siemens Solid Edge 缓冲区错误漏洞
CVE-2020-28384 Siemens Solid Edge 缓冲区错误漏洞
CVE-2020-28383 Siemens Jt2go和Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2020-28382 Siemens Solid Edge 缓冲区错误漏洞
CVE-2020-28381 Siemens Solid Edge 缓冲区错误漏洞
CVE-2020-26996 Siemens Jt2go和Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2020-26995 Siemens Jt2go和Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2020-26994 Siemens Jt2go和Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2020-26993 Siemens Jt2go 缓冲区错误漏洞
CVE-2020-26992 Siemens Jt2go 缓冲区错误漏洞
CVE-2020-26991 Siemens Jt2go和Siemens Teamcenter Visualization 代码问题漏洞
CVE-2020-26990 Siemens Jt2go和Siemens Teamcenter Visualization 安全漏洞
CVE-2020-28391 Siemens SCALANCE X-200 信任管理问题问题漏洞
CVE-2020-26988 Siemens Jt2go和Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2020-26987 Siemens Jt2go和Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2020-26986 Siemens Jt2go和Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2020-26985 Siemens Jt2go和Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2020-26984 Siemens Jt2go和Siemens Teamcenter Visualization 缓冲区错误漏洞

Showing top 20 of 28 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Siemens
Same weakness: CWE-321

V. Comments for CVE-2020-28395

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