Hcltech
Hcltech Traveler FOR Microsoft Outlook: vulnerabilities and CVEs
Hcltech Traveler FOR Microsoft Outlook has 8 published vulnerabilities, 4 of them in the last 12 months. 2 are rated critical and 0 are listed by CISA as actively exploited.
CVEs8
Last 12 months4
Critical2
Actively exploited0
All vulnerabilities in the catalogue →⭐ Follow this technology
Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2023-37524 | High (7.8) | 0.27% | — | Jun 27, 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… |
| CVE-2025-59868 | Medium (5.5) | 0.15% | — | Jun 27, 2026 | HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a sensitive data exposure vulnerability which could allow an attacker to exploit application information to then attempt additional attacks and cause unknown… |
| CVE-2024-23581 | High (7.8) | 0.09% | — | Jun 26, 2026 | The HCL Traveler for Microsoft Outlook libraries are being flagged as potentially malicious software or an unrecognized application. |
| CVE-2024-42192 | Medium (5.5) | 0.16% | — | Oct 16, 2025 | HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a credential leakage which could allow an attacker to access other computers or applications. |
| CVE-2024-42191 | Critical (9.8) | 0.27% | — | May 30, 2025 | HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a COM hijacking vulnerability which could allow an attacker to modify or replace the application with malicious content. |
| CVE-2024-42190 | Critical (9.8) | 0.27% | — | May 30, 2025 | HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a DLL hijacking vulnerability which could allow an attacker to modify or replace the application with malicious content. |
| CVE-2024-30133 | Medium (5.3) | 0.26% | — | Nov 12, 2024 | HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a control flow vulnerability. The application does not sufficiently manage its control flow during execution, creating conditions in which the control flow can… |
| CVE-2024-30134 | High (7.5) | 0.21% | — | Sep 26, 2024 | The HCL Traveler for Microsoft Outlook executable (HTMO.exe) is being flagged as potentially Malicious Software or an Unrecognized Application. |
🎯 How it gets exploited (ATT&CK techniques)
Number of CVEs of this technology mapped to each exploitation or primary-impact technique.