Is CVE-2023-37524 in the CISA KEV catalog?

No. CVE-2023-37524 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-37524?

CVE-2023-37524 has a CVSS v3 base score of 7.7 (HIGH).

What is the EPSS score for CVE-2023-37524?

CVE-2023-37524 has an EPSS score of 0.10% (1th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-37524?

Upgrade traveler for microsoft outlook to 3.0.6 or later.

CVE & CISA-KEV Catalog

CVE-2023-37524

HIGH

7.7

CVSS v3

NVD

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.

CWE-1104

How to fix

Remediation Available

traveler for microsoft outlookNVD

Affected:< 3.0.6Fixed in:3.0.6CVE-2023-37524derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Exploit Intelligence

0.10%probability of exploitation in 30 days

1stpercentile

Low risk: more likely to be exploited than 1% of all known CVEs.

References

Vendor Advisory1

support.hcl-software.com

Related Vulnerabilities

Other CWE-1104 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-7102	Critical	9.8	44%	-	-
CVE-2024-35252	High	7.5	2.5%	-	Fix
CVE-2021-22142	Medium	6.6	1.0%	-	Fix
CVE-2025-34192	Critical	9.8	0.9%	-	Fix
CVE-2022-46871	High	8.8	0.9%	-	Fix
CVE-2025-34193	Critical	9.8	0.7%	-	-

Embed a live status badge for CVE-2023-37524

Markdown

[![CVE-2023-37524](https://tridentstack.com/cve/badge/CVE-2023-37524.svg)](https://tridentstack.com/cve/CVE-2023-37524)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-37524"><img src="https://tridentstack.com/cve/badge/CVE-2023-37524.svg" alt="CVE-2023-37524"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-06.