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    CVE-2024-23581

    The HCL Traveler for Microsoft Outlook libraries are being flagged as potentially malicious software or an unrecognized application.

    Published:Jun 26, 2026
    Last Modified:Jun 29, 2026
    EPS:Jun 26, 2026
    EPSS Score:0.00066
    CVSS Score:6.7

    Affected Products

    Vendor
    Hcltech
    Product
    Traveler For Microsoft Outlook

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack
    CAPEC-475 Signature Spoofing by Improper Validation

    Related CVEs

    CVE-2026-21770 (CVSS 6.5) — HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a DLL hijacking vulnerability which could allow an…
    CVE-2025-59868 (CVSS 5.5) — HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a sensitive data exposure vulnerability which coul…
    CVE-2023-37524 (CVSS 7.7) — HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework 4.5 being ou…
    CVE-2024-42192 (CVSS 5.5) — HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a credential leakage which could allow an attacker…
    CVE-2024-42191 (CVSS 6.5) — HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a COM hijacking vulnerability which could allow an…
    CVE-2024-42190 (CVSS 6.5) — HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a DLL hijacking vulnerability which could allow an…
    CVE-2024-30133 (CVSS 5.3) — HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a control flow vulnerability. The application doe…
    CVE-2024-30134 (CVSS 6.7) — The HCL Traveler for Microsoft Outlook executable (HTMO.exe) is being flagged as potentially Malicious Softwar…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High