All vulnerabilities
CVE-2024-55956

Cleo Multiple Products Unauthenticated File Upload Vulnerability

Cleo Multiple Products
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 17 Dec 2024. Known ransomware useCISA KEV
Exploit odds (EPSS)94.0%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline7 Jan 2025Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 9 Dec 2024Exploit code publicMetasploit
  2. 13 Dec 2024, 00:00 UTCPublishedCVE List
  3. 17 Dec 2024Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Exploit moduleCleo LexiCom, VLTrader, and Harmony Unauthenticated Remote Code Execution 9 Dec 2024Metasploit
  • Scanner templateCleo Harmony < 5.8.0.24 - File Upload VulnerabilityNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Cleo Harmony, VLTrader, and LexiCom, which are managed file transfer products, contain an unrestricted file upload vulnerability that could allow an unauthenticated user to import and execute arbitrary bash or PowerShell commands on the host system by leveraging the default settings of the Autorun directory.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 6