Cleo develops a focused portfolio of file-transfer and data-integration products including Lexicom, Harmony, and VLTrader, which serve managed document exchange and supply-chain connectivity roles. The observed vulnerabilities center on input-handling and file-management weaknesses such as path traversal, command injection, and unrestricted file upload, reflecting the attack surface inherent to products that process external documents and execute transfers. Current severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Cleo over time
Signals from CVEs in this vendor scope (4 CVEs).
4 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2024-55956CRITICAL 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 | Dec 13, 2024 | 9.8 | 98 | YES | YES |
CVE-2024-50623CRITICAL In Cleo Harmony before 5.8.0.21, VLTrader before 5.8.0.21, and LexiCom before 5.8.0.21, there is an unrestricted file upload and download that could lead to remote code execution. | Oct 28, 2024 | 9.8 | 98 | YES | YES |
CVE-2021-33576CRITICAL An issue was discovered in Cleo LexiCom 5.5.0.0. Within the AS2 message, the sender can specify a filename. This filename can include path-traversal characters, allowing the file t | Jun 18, 2021 | 9.8 | 28 | NO | NO |
CVE-2021-33577MEDIUM An issue was discovered in Cleo LexiCom 5.5.0.0. The requirement for the sender of an AS2 message to identify themselves (via encryption and signing of the message) can be bypassed | Jun 18, 2021 | 5.3 | 18 | NO | NO |
Signals from CVEs in this vendor scope (4 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Cleo.
Media articles that mention a CVE ID that affects a product developed by Cleo — matched by CVE ID, not by vendor name.