CVE-2024-55956

CISA KEV RANSOMWARE
ACT NOW Priority: 0.00 BB Relevance: 10/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

Cleo Harmony, VLTrader, and LexiCom, which are managed file transfer products, contain an unrestricted file upload vulnerability that could allow an unauthenticated user to import and execute arbitrary bash or PowerShell commands on the host system by leveraging the default settings of the Autorun directory.

CISA Known Exploited Vulnerability

Vendor / Product Cleo — Multiple Products
Date Added 2024-12-17
Remediation Due 2025-01-07
Ransomware Use CONFIRMED
https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Update-CVE-2024-55956 ; https://nvd.nist.gov/vuln/detail/CVE-2024-55956

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
cleo harmony < 5.8.0.24
cleo lexicom < 5.8.0.24
cleo vltrader < 5.8.0.24

Bug Bounty Relevance

10 / 100
✓ Known exploited (KEV)
✓ High exploitation probability

CVSS Score

Unscored

EPSS — Exploitation Probability

93.97%
Raw Score 0.939680
Percentile 99.8%
Date 2026-10-28

Intelligence Sources

kev ref →