{"id":"CVE-2023-37524","aliases":["EUVD-2023-60599","GHSA-vp5c-23j8-3fh2"],"status":"published","title":"HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework 4.5 being out of service","description":"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.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00273,"percentile":0.19756,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1104"],"published":"2026-06-27T01:19:30Z","modified":"2026-10-28T19:10:00Z","products":[{"vendor":"hcl software","product":"traveler for microsoft outlook"},{"vendor":"hclsoftware","product":"traveler for microsoft outlook"},{"vendor":"hcltech","product":"traveler_for_microsoft_outlook"}],"references":[{"url":"https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0131418","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-37524"},{"url":"https://github.com/advisories/GHSA-vp5c-23j8-3fh2"}],"sources":{"cve":[{"id":"CVE-2023-37524","title":"HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework 4.5 being out of service","description":"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.","status":"published","published":"2026-06-27T01:19:30.265Z","modified":"2026-06-29T13:21:14.982Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-1104"],"updated_at":"2026-11-02T14:35:16.454633Z"}],"euvd":[{"id":"EUVD-2023-60599","description":"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.","status":"published","published":"2026-06-27T01:19:30Z","modified":"2026-06-29T13:21:14Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:22.87152Z"}],"ghsa":[{"id":"GHSA-vp5c-23j8-3fh2","title":"HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework...","description":"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.","status":"published","published":"2026-06-27T03:31:12Z","modified":"2026-06-27T03:31:17Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-1104"],"updated_at":"2026-11-02T15:09:01.878033Z"}],"nvd":[{"id":"CVE-2023-37524","description":"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.","status":"published","published":"2026-06-27T02:16:27.603Z","modified":"2026-10-28T19:10:00.193Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-1104"],"updated_at":"2026-11-02T14:09:27.733183Z"}]}}