CVE-2023-37524CWE-1104

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

High · published June 27, 2026

CVSS v3.1
7.7
EPSS
0%
Percentile
18.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00273 · 18.6th percentile
Weakness
CWE-1104 · Use of Unmaintained Third Party Components
Published
2026-06-27T01:19Z
EPSS history
Timeline
  • 27 JUN 01:19Z
    HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework 4.5 being out of service
    cvelistv5