CVE-2023-5909— Improper Validation of Certificate with Host Mismatch in PTC KEPServerEx
Quick assessment
Affected
PTC KEPServerEX
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.
PTC KEPserverEX是PTC公司的一个连接平台。用户可以通过一个直观的用户界面连接、管理、监控和控制各种自动化设备和软件应用程序。 PTC KEPServerEX v6.14.263.0版本及之前版本存在安全漏洞，该漏洞源于无法正确验证来自客户端的证书。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-5909
Vulnerability Information
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Vulnerability Title
Improper Validation of Certificate with Host Mismatch in PTC KEPServerEx
Source: CVE Program / CVE List V5
Vulnerability Description
KEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对宿主不匹配的证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
PTC KEPServerEX 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PTC KEPserverEX是PTC公司的一个连接平台。用户可以通过一个直观的用户界面连接、管理、监控和控制各种自动化设备和软件应用程序。 PTC KEPServerEX v6.14.263.0版本及之前版本存在安全漏洞，该漏洞源于无法正确验证来自客户端的证书。
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 |
|---|---|---|---|---|
| PTC | KEPServerEX | 0 ~ 6.14.263.0 | - |
|
| PTC | ThingWorx Kepware Server | 0 ~ 6.14.263.0 | - |
|
| PTC | ThingWorx Industrial Connectivity | All versions | - |
|
| PTC | OPC-Aggregator | 0 ~ 6.14 | - |
|
| PTC | ThingWorx Kepware Edge | 0 ~ 1.7 | - |
|
| Rockwell Automation | KEPServer Enterprise | 0 ~ 6.14.263.0 | - |
|
| GE Gigital | Industrial Gateway Server | 0 ~ 7.614 | - |
|
| Software Toolbox | TOP Server | 0 ~ 6.14.263.0 | - |
|
II. Public POCs for CVE-2023-5909
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2023-5909 (1)
-
https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-03 government-resource
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V. Comments for CVE-2023-5909
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