CVE-2024-50623
Cleo Multiple Products Unrestricted File Upload Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 January 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 98.61% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 13 December 2024 · due 3 January 2025 · used in ransomware campaigns
- Weakness
- CWE-434
- Affected
- cleo/harmony · cleo/lexicom · cleo/vltrader
- Source
- cve@mitre.org
EPSS 98.6% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Update ; https://nvd.nist.gov/vuln/detail/CVE-2024-50623
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.