# 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.

- Page: https://www.vulneraibility.com/cve/CVE-2024-55956
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2024-12-17; CISA due date 2025-01-07; known ransomware use
- EPSS: 93.97%
- Public exploit code: 1 Metasploit module · 1 Nuclei template
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2024-12-16)
- Weakness: CWE-77
- Published: 2024-12-13

## Affected

- cleo:harmony
- cleo:lexicom
- cleo:vltrader

## References

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

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.