CVE-2024-23581

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 99% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
1%
KEV
Not listed

Published

June 26, 2026

Last Modified

July 6, 2026

Advisory Details (1)

Auto-updated Jun 27, 2026
No patch confirmed yet.
generic

Security Bulletin: HCL Traveler for Microsoft Outlook (HTMO) is susceptible to an application modification vulnerability (CVE-2024-23581) - Customer Support

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131417

Vendor Advisories for CVE-2024-23581(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 40× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 131 total refreshes for this CVE.

  1. 2026-09-18 07:07 UTCEG score recompute
  2. 2026-09-18 07:07 UTCGHSA enrichment
  3. 2026-09-16 14:06 UTCEPSS rescore
  4. 2026-09-16 05:11 UTCEPSS rescore
  5. 2026-09-15 03:08 UTCEPSS rescore
  6. 2026-09-14 00:56 UTCEG score recompute
  7. 2026-09-14 00:56 UTCGHSA enrichment
  8. 2026-09-13 16:45 UTCEPSS rescore
  9. 2026-09-13 09:28 UTCGHSA enrichment
  10. 2026-09-12 15:20 UTCEG score recompute
  11. 2026-09-12 15:20 UTCGHSA enrichment
  12. 2026-09-11 14:51 UTCEPSS rescore
  13. 2026-09-11 09:34 UTCEPSS rescore
  14. 2026-09-08 21:58 UTCEPSS rescore
  15. 2026-09-07 15:59 UTCEPSS rescore
  16. 2026-09-06 14:51 UTCEG score recompute
  17. 2026-09-06 14:51 UTCGHSA enrichment
  18. 2026-09-05 15:26 UTCEPSS rescore
  19. 2026-09-04 13:58 UTCEPSS rescore
  20. 2026-09-04 05:05 UTCEPSS rescore
  21. 2026-09-02 14:10 UTCEPSS rescore
  22. 2026-08-30 19:13 UTCEG score recompute
  23. 2026-08-30 19:12 UTCGHSA enrichment
  24. 2026-08-30 01:20 UTCEPSS rescore
  25. 2026-08-28 21:39 UTCEPSS rescore
Show 75 more
  1. 2026-08-27 22:53 UTCEG score recompute
  2. 2026-08-27 22:53 UTCGHSA enrichment
  3. 2026-08-27 14:23 UTCEPSS rescore
  4. 2026-08-26 14:44 UTCEPSS rescore
  5. 2026-08-25 13:47 UTCEPSS rescore
  6. 2026-08-25 00:12 UTCEG score recompute
  7. 2026-08-25 00:12 UTCGHSA enrichment
  8. 2026-08-24 12:45 UTCGHSA enrichment
  9. 2026-08-23 19:57 UTCGHSA enrichment
  10. 2026-08-23 08:31 UTCGHSA enrichment
  11. 2026-08-22 20:58 UTCGHSA enrichment
  12. 2026-08-22 09:20 UTCGHSA enrichment
  13. 2026-08-21 17:23 UTCGHSA enrichment
  14. 2026-08-21 05:25 UTCGHSA enrichment
  15. 2026-08-20 17:58 UTCGHSA enrichment
  16. 2026-08-20 06:31 UTCEG score recompute
  17. 2026-08-20 06:31 UTCGHSA enrichment
  18. 2026-08-19 10:56 UTCGHSA enrichment
  19. 2026-08-18 23:30 UTCGHSA enrichment
  20. 2026-08-17 07:25 UTCGHSA enrichment
  21. 2026-08-16 19:59 UTCGHSA enrichment
  22. 2026-08-16 07:29 UTCGHSA enrichment
  23. 2026-08-15 20:03 UTCGHSA enrichment
  24. 2026-08-15 08:36 UTCGHSA enrichment
  25. 2026-08-14 21:09 UTCGHSA enrichment
  26. 2026-08-14 09:43 UTCGHSA enrichment
  27. 2026-08-13 22:16 UTCGHSA enrichment
  28. 2026-08-13 10:50 UTCGHSA enrichment
  29. 2026-08-12 23:23 UTCEG score recompute
  30. 2026-08-12 23:23 UTCGHSA enrichment
  31. 2026-08-12 13:49 UTCEPSS rescore
  32. 2026-08-12 11:56 UTCGHSA enrichment
  33. 2026-08-12 00:30 UTCEG score recompute
  34. 2026-08-12 00:30 UTCGHSA enrichment
  35. 2026-08-11 13:40 UTCEPSS rescore
  36. 2026-08-11 13:03 UTCGHSA enrichment
  37. 2026-08-11 01:36 UTCGHSA enrichment
  38. 2026-08-10 14:10 UTCGHSA enrichment
  39. 2026-08-10 02:43 UTCGHSA enrichment
  40. 2026-08-09 15:17 UTCGHSA enrichment
  41. 2026-08-09 03:50 UTCEG score recompute
  42. 2026-08-09 03:50 UTCGHSA enrichment
  43. 2026-08-08 16:35 UTCEPSS rescore
  44. 2026-08-08 16:24 UTCGHSA enrichment
  45. 2026-08-08 04:57 UTCGHSA enrichment
  46. 2026-08-07 17:31 UTCGHSA enrichment
  47. 2026-08-07 06:04 UTCGHSA enrichment
  48. 2026-08-06 18:36 UTCGHSA enrichment
  49. 2026-08-06 07:09 UTCGHSA enrichment
  50. 2026-08-05 19:42 UTCEG score recompute
  51. 2026-08-05 19:42 UTCGHSA enrichment
  52. 2026-08-05 19:15 UTCEPSS rescore
  53. 2026-08-05 08:16 UTCGHSA enrichment
  54. 2026-08-04 20:24 UTCGHSA enrichment
  55. 2026-08-04 08:49 UTCGHSA enrichment
  56. 2026-08-03 20:24 UTCEG score recompute
  57. 2026-08-03 20:24 UTCGHSA enrichment
  58. 2026-08-03 08:57 UTCGHSA enrichment
  59. 2026-08-02 21:31 UTCGHSA enrichment
  60. 2026-08-02 10:04 UTCGHSA enrichment
  61. 2026-08-01 22:37 UTCGHSA enrichment
  62. 2026-08-01 11:10 UTCGHSA enrichment
  63. 2026-07-31 23:43 UTCGHSA enrichment
  64. 2026-07-31 12:14 UTCGHSA enrichment
  65. 2026-07-31 00:46 UTCGHSA enrichment
  66. 2026-07-30 13:18 UTCEG score recompute
  67. 2026-07-30 13:18 UTCGHSA enrichment
  68. 2026-07-30 00:11 UTCGHSA enrichment
  69. 2026-07-29 08:48 UTCGHSA enrichment
  70. 2026-07-28 20:04 UTCGHSA enrichment
  71. 2026-07-28 04:34 UTCGHSA enrichment
  72. 2026-07-27 17:04 UTCEG score recompute
  73. 2026-07-27 17:04 UTCGHSA enrichment
  74. 2026-07-27 14:11 UTCEPSS rescore
  75. 2026-07-27 01:58 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2024-23581?
CVE-2024-23581 is a high vulnerability published on June 26, 2026. The HCL Traveler for Microsoft Outlook libraries are being flagged as potentially malicious software or an unrecognized application.
When was CVE-2024-23581 disclosed?
CVE-2024-23581 was first published in the National Vulnerability Database on June 26, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-23581 actively exploited?
CVE-2024-23581 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 99.5% of all scored CVEs.
What is the CVSS score of CVE-2024-23581?
CVE-2024-23581 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2024-23581?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-23581, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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