CVE-2023-37524 PUBLISHED

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

Assigner: HCL
Reserved: 06.07.2023 Published: 27.06.2026 Updated: 27.06.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS Score: 7.7

Attack Vector	Local	Scope	Changed
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	HCLSoftware
Product	Traveler for Microsoft Outlook
Versions	Default: unaffected Version <3.0.6 is affected

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131418

Problem Types

CWE-1104 Use of unmaintained third party components CWE