CVEs / CVE-2024-50623
CVE-2024-50623: Cleo Multiple Products Unrestricted File Upload Vulnerability
- Known exploited in the CISA KEV catalog since 13 Dec 2024
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 98.6% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Cleo Harmony, VLTrader, and LexiCom, which are managed file transfer products, contain an unrestricted file upload and download vulnerability that can lead to remote code execution with elevated privileges.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 13 Dec 2024 |
|---|---|
| Due date for US federal agencies | 3 Jan 2025 |
| Used in ransomware campaigns | Known |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-434 |
References
- CVE-2024-50623 on NVD
- CVE-2024-50623 in the CISA KEV catalog
- https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Update (cited by CISA)
- https://support.cleo.com/hc/en-us/articles/27140294267799-Cleo-Product-Security-Advisory Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-50623 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.