CVE-2024-50623

CVE Enrichment

CVSS: 9.8 CRITICAL
EPSS: 98.61%
EPSS Percentile: 99.92%
CISA KEV: YES — Known Exploited Vulnerability

Description

In Cleo Harmony before 5.8.0.21, VLTrader before 5.8.0.21, and LexiCom before 5.8.0.21, there is an unrestricted file upload and download that could lead to remote code execution.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: cve@mitre.org
Published: 28-Oct-2024 07:15
Last Modified: 08-Oct-2026 17:35
EPSS Date: 2026-10-16
CWE: CWE-434

CVSS Vector


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

CISA KEV Details

Date Added: 2024-12-13
Remediation Due: 2025-01-03
Known Ransomware Campaign Use: Known
Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes: https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Update ; https://nvd.nist.gov/vuln/detail/CVE-2024-50623

Affected Products / Versions

cleo / harmony
Version / affected range: * · before (exclusive) 5.8.0.21
cpe:2.3:a:cleo:harmony:*:*:*:*:*:*:*:*
cleo / lexicom
Version / affected range: * · before (exclusive) 5.8.0.21
cpe:2.3:a:cleo:lexicom:*:*:*:*:*:*:*:*
cleo / vltrader
Version / affected range: * · before (exclusive) 5.8.0.21
cpe:2.3:a:cleo:vltrader:*:*:*:*:*:*:*:*

References

Last enrichment sync: 18-Oct-2026 19:04
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

Although Cleo published an update and advisory for CVE-2024-50623—which allows unauthenticated remote code execution—Huntress security researchers have recreated the proof of concept and learned the patch does not Cleo File-Transfer Products Actively Exploited; Version 5.8.0.21 Still Vulnerable

CVE (1)

People (6)

MITRE ATT&CK (5)

Vendors (1)

Products (3)

Tools (2)

Industries (4)

Countries (5)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.