CVE-2024-55956

In Cleo Harmony before 5.8.0.24, VLTrader before 5.8.0.24, and LexiCom before 5.8.0.24, an unauthenticated user can import and execute arbitrary Bash or PowerShell commands on the host system by leveraging the default settings of the Autorun directory.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Advisory-CVE-Pending	Vendor Advisory
https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Update	Vendor Advisory
https://www.huntress.com/blog/threat-advisory-oh-no-cleo-cleo-software-actively-being-exploited-in-the-wild	Exploit Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55956	US Government Resource

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:cleo:harmony::::::::
	cpe:2.3:a:cleo:lexicom::::::::
	cpe:2.3:a:cleo:vltrader::::::::

History

04 Nov 2025, 16:37

Type	Values Removed	Values Added
References	~~() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55956 -~~	() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55956 - US Government Resource

Information

Published : 2024-12-13 21:15

Updated : 2025-11-04 16:37

NVD link : CVE-2024-55956

Mitre link : CVE-2024-55956

CVE.ORG link : CVE-2024-55956

JSON object : View

Products Affected

cleo

lexicom
harmony
vltrader

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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