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CVE-2023-37524— HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework 4.5 being out of service

Quick assessment

Affected
HCLSoftware Traveler for Microsoft Outlook
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.

HCLSoftware Traveler for Microsoft Outlook是HCLSoftware的一款信息化产品。 HCLSoftware Traveler for Microsoft Outlook 3.0.6之前版本存在软件供应链问题漏洞，该漏洞源于.NET Framework 4.5已停止服务且不再接收安全更新，可能通过易受攻击的第三方组件使应用程序暴露于公开已知的安全弱点。

CVSS 7.7 · High EPSS 0.27% · P18

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
HCLSoftware Traveler for Microsoft Outlook <3.0.6 affected
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I. Basic Information for CVE-2023-37524

Vulnerability Information
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Vulnerability Title
HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework 4.5 being out of service
Source: CVE Program / CVE List V5
Vulnerability Description
HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework 4.5 being out of service.  Since .NET Framework 4.5 has reached end-of-life and no longer receives security updates, it may expose the application to publicly known security weaknesses through vulnerable third-party components.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用未维护的第三方组件
Source: CVE Program / CVE List V5
Vulnerability Title
HCLSoftware Traveler for Microsoft Outlook 软件供应链问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCLSoftware Traveler for Microsoft Outlook是HCLSoftware的一款信息化产品。 HCLSoftware Traveler for Microsoft Outlook 3.0.6之前版本存在软件供应链问题漏洞，该漏洞源于.NET Framework 4.5已停止服务且不再接收安全更新，可能通过易受攻击的第三方组件使应用程序暴露于公开已知的安全弱点。
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
HCLSoftware Traveler for Microsoft Outlook <3.0.6 -

II. Public POCs for CVE-2023-37524

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III. Intelligence Information for CVE-2023-37524

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Vendor Advisories for CVE-2023-37524 (1)

IV. Related Vulnerabilities

Same product: Traveler for Microsoft Outlook
Same vendor: HCLSoftware
Same weakness: CWE-1104

V. Comments for CVE-2023-37524

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