Vulnerability in Hclsoftware Traveler For Microsoft Outlook

CVE-2024-23581

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

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-23581: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-23581?
CVE-2024-23581 is a medium-severity vulnerability in Hclsoftware Traveler For Microsoft Outlook, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.7/10. Published 2026-06-26.
How severe is CVE-2024-23581?
Medium severity. CVSS v3 base score is 6.7 out of 10.