CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2024-55956
Critical (9.8) in Cleo Multiple Products. In CISA KEV since 2024-12-17, with known ransomware use. EPSS 94% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 94% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2024-12-17, due 2025-01-07, known ransomware use
- CWE
- CWE-77
- Published
- Modified
- Record from
- the NVD, synced
Affected
- cleo:harmony
- cleo:lexicom
- cleo:vltrader
References
- 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