CVE-2023-37524
HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework 4.5 being out of service
CVSS Score
7.7
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-1104 |
| Vendor | hclsoftware |
| Product | traveler for microsoft outlook |
| Published | Jun 27, 2026 |
| Last Updated | Jun 27, 2026 |
Stay Ahead of the Next One
Get instant alerts for hclsoftware traveler for microsoft outlook
Be the first to know when new high vulnerabilities affecting hclsoftware traveler for microsoft outlook are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
HCLSoftware / Traveler for Microsoft Outlook
<3.0.6