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CVE-2024-42191— HCL Traveler for Microsoft Outlook (HTMO) is susceptible to COM hijacking

Quick assessment

Affected
HCL Software HCL Traveler for Microsoft Outlook (HTMO)
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.

HCL Traveler是印度HCL公司的一款软件。用于在 HCL Domino 服务器和无线手持设备之间提供自动、双向、无线同步。 HCL Traveler for Microsoft Outlook存在安全漏洞，该漏洞源于容易受到COM劫持攻击。

CVSS 6.5 · Medium EPSS 0.27% · P17

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-42191

Vulnerability Information
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Vulnerability Title
HCL Traveler for Microsoft Outlook (HTMO) is susceptible to COM hijacking
Source: CVE Program / CVE List V5
Vulnerability Description
HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a COM hijacking vulnerability which could allow an attacker to modify or replace the application with malicious content.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
HCL Traveler 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL Traveler是印度HCL公司的一款软件。用于在 HCL Domino 服务器和无线手持设备之间提供自动、双向、无线同步。 HCL Traveler for Microsoft Outlook存在安全漏洞，该漏洞源于容易受到COM劫持攻击。
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
HCL Software HCL Traveler for Microsoft Outlook (HTMO) < 3.0.12 -

II. Public POCs for CVE-2024-42191

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III. Intelligence Information for CVE-2024-42191

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Same Patch Batch · HCL Software · 2025-05-30 · 3 CVEs total

CVE-2024-23589 6.8 MEDIUM HCL Glovius Cloud is susceptible to an Outdated Hash Algorithm vulnerability
CVE-2024-42190 6.5 MEDIUM HCL Traveler for Microsoft Outlook (HTMO) is susceptible to DLL hijacking

IV. Related Vulnerabilities

Same product: HCL Traveler for Microsoft Outlook (HTMO)
Same vendor: HCL Software
Same weakness: CWE-427

V. Comments for CVE-2024-42191

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