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CVE-2024-50623

critical CISA KEV

Cleo Multiple Products Unrestricted File Upload Vulnerability

Vendor / product: Cleo — Multiple Products

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
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2024-10-28 00:15
Modified: 2026-10-08 10:35
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-10-27 07:07 UTC
Exploitation
Listed in CISA KEV
Added 2024-12-13 · due 2025-01-03
Known ransomware use: Known

Required action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected products

cleo / harmony <5.8.0.21
cleo / lexicom <5.8.0.21
cleo / vltrader <5.8.0.21

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://support.cleo.com/hc/en-us/articles/27140294267799-Cleo-Product-Security-Advisory

References

Data sources

CISA KEV — fetched 2026-10-27 06:50 UTC · record ↗
NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗

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