critical9.8Known exploited
CVE-2024-55956
Cleo Multiple Products Unauthenticated File Upload Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2024-12-17. Federal due date: 2025-01-07.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cleo | Harmony | before 5.8.0.24 |
| Cleo | Lexicom | before 5.8.0.24 |
| Cleo | Vltrader | before 5.8.0.24 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Advisory-CVE-Pending
- https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Update
- https://www.huntress.com/blog/threat-advisory-oh-no-cleo-cleo-software-actively-being-exploited-in-the-wild
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55956