CVE-2024-23581
HCL Traveler for Microsoft Outlook (HTMO) is susceptible to an application modification vulnerability
Description
The HCL Traveler for Microsoft Outlook libraries are being flagged as potentially malicious software or an unrecognized application.
INFO
Published Date :
June 26, 2026, 9:16 p.m.
Last Modified :
July 6, 2026, 6 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 1e47fe04-f25f-42fa-b674-36de2c5e3cfc | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Verify digital signatures of HCL Traveler libraries.
- Ensure the software is from a trusted source.
- Configure security exceptions if necessary.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-23581.
| URL | Resource |
|---|---|
| https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131417 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-23581 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-23581
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-23581 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-23581 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 06, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:hcltech:traveler_for_microsoft_outlook:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.9 Added Reference Type HCL Software: https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131417 Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 29, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2024-23581', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-29T13:19:14.119142Z'} -
CVE Modified by [email protected]
Jun. 27, 2026
Action Type Old Value New Value Added CWE CWE-347 Removed CWE CWE-1104 -
New CVE Received by [email protected]
Jun. 26, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'HCLSoftware', 'product': 'Traveler for Microsoft Outlook', 'versions': [{'status': 'affected', 'version': '< 3.0.9'}], 'defaultStatus': 'unaffected'}] Added Description The HCL Traveler for Microsoft Outlook libraries are being flagged as potentially malicious software or an unrecognized application. Added CVSS V3.1 AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-1104 Added Reference https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131417