Home/CVE/Cleo Multiple Products Unrestricted File Upload Vulnerability
CVE

CVE-2024-50623

Cleo Multiple Products Unrestricted File Upload Vulnerability

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.

CRITICAL · CVSS 9.8 ⚠ CISA KEV EPSS 0.94011 Ransomware: known
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • Linked to known ransomware campaigns
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

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

⬡

Weakness Classification

CWE-434Unrestricted Upload of File with Dangerous Type
CWE-434Unrestricted Upload of File with Dangerous Type
CWE-434Unrestricted Upload of File with Dangerous Type
▤

Affected Products & Versions

3
cleo harmony< 5.8.0.21
cleo lexicom< 5.8.0.21
cleo vltrader< 5.8.0.21
⚠

Public Exploits & PoCs

1
nucleiCleo Harmony < 5.8.0.21 - Arbitary File Readhigh
◈

Detection Rules (IDS/IPS)

2
et-openET WEB_SPECIFIC_APPS Cleo MFT Arbitrary File Write (CVE-2024-50623)web-application-attack
et-openET WEB_SPECIFIC_APPS Cleo MFT Arbitrary File Read (CVE-2024-50623)web-application-attack
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Oct 2024 · 12:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2024-50623
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.cleo.com/hc/en-us/articles/27140294267799-Cleo-Product-Security-AdvisoryVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-50623US Government Resource
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