CVE-2023-37524
HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework 4.5 being out of service
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.7EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
27 Jun 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected products
HCLSoftware · Traveler for Microsoft OutlookWant to know if your infrastructure is exposed to this?
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