# CVE-2023-37524

## Summary

- **CVE ID:** CVE-2023-37524
- **Severity:** HIGH
- **CVSS Score:** 7.7 (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)
- **CWE:** CWE-1104
- **Published:** Jun 27, 2026
- **Last Modified:** Jun 27, 2026

## 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.

## Affected Products

- HCLSoftware — Traveler for Microsoft Outlook (<3.0.6)

## References

- [CNA](https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131418)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.27%
- **EPSS Percentile:** 19.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._