Cleo Multiple Products Unrestricted File Upload Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

CRITICAL

9.8 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation Likelihood

EPSS Prediction

94.01 %

Predictive Probability

Percentile Rank

99.9 th

Documented as more likely to be exploited than 99.9% of known CVEs.

Detection Date

Dec 13, 2024

Remediation Due

Jan 03, 2025

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

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

Asset Context

Vendor Identity

Cleo

Affected Product

Multiple Products

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-434

External Intelligence

https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Update

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2024-50623