HCL Traveler for Microsoft Outlook (HTMO) is susceptible to an application modification vulnerability
Priority LOW 35CWE-347Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-347.
Summary
The HCL Traveler for Microsoft Outlook libraries are being flagged as potentially malicious software or an unrecognized application.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0009 0th percentileScored 2026-11-07
Fix Fixed Traveler for Microsoft Outlook (HCLSoftware): 3.0.9
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| HCL Software | Traveler for Microsoft Outlook | before 3.0.9 | 3.0.9 | Patch available | CNA |
- Traveler for Microsoft Outlook VendorHCL Software Affected before 3.0.9 Fixed in 3.0.9 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hcltech:traveler_for_microsoft_outlook:*:*:*:*:*:*:*:* | before 3.0.9 | Vulnerable | HCL Software |
- cpe:2.3:a:hcltech:traveler_for_microsoft_outlook:*:*:*:*:*:*:*:* Versions before 3.0.9 Vulnerable ·HCL Software
Remediation
- Fix · CNA Traveler for Microsoft Outlook (HCLSoftware) Fixed in 3.0.9
Timeline
- 2026-10-02 Threatist record created from CVE-2024-23581
- 2026-10-03 Alias added: GHSA-vrwh-33vr-jg7w
References
More HCL Software Traveler For Microsoft Outlook vulnerabilities
- TI-2024-28194 HCL Traveler for Microsoft Outlook (HTMO) is susceptible to COM hijacking CVSS 3.1CRITICAL 9.8
- TI-2024-28193 HCL Traveler for Microsoft Outlook (HTMO) is susceptible to DLL hijacking CVSS 3.1CRITICAL 9.8
- TI-2023-19123 HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET… CVSS 3.1HIGH 7.8
- TI-2024-19891 HCL Traveler for Microsoft Outlook (HTMO) is susceptible to an application modification vulnerability CVSS 3.1HIGH 7.5
- TI-2025-37291 HCL Traveler for Microsoft Outlook (HTMO) is susceptible to sensitive data exposure CVSS 3.1MEDIUM 5.5
- TI-2024-28195 Insufficiently protected credentials in HCL Software Traveler for Microsoft Outlook CVSS 3.1MEDIUM 5.5
Sources
- CVE-2024-23581 · CVE Program
- CVE-2024-23581 · NVD
- FIRST EPSS
- GHSA-vrwh-33vr-jg7w · GitHub Advisory Database · CC BY 4.0
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