CVE-2024-55956
CriticalActively exploited (CISA KEV)Known to be used in ransomware campaigns
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductCleo Multiple Products
PublishedDec 13, 2024
First seenDec 13, 2024
Added to KEVDec 17, 2024
Weakness typeCWE-77Command injection
How to fix
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: Jan 7, 2025Update
- cleo harmony5.8.0.24 or later
- cleo lexicom5.8.0.24 or later
- cleo vltrader5.8.0.24 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cleo harmony | v < 5.8.0.24 | 5.8.0.24 |
| cleo lexicom | v < 5.8.0.24 | 5.8.0.24 |
| cleo vltrader | v < 5.8.0.24 | 5.8.0.24 |
Check your version
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