CVE-2024-55956
Cleo Multiple Products Unauthenticated File Upload Vulnerability
- Published
- Dec 13, 2024
- Updated
- Aug 5, 2026
- Assigning CNA
- mitre
- Evidence observed
- Dec 17, 2024
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.8%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
In Cleo Harmony before 5.8.0.24, VLTrader before 5.8.0.24, and LexiCom before 5.8.0.24, an unauthenticated user can import and execute arbitrary Bash or PowerShell commands on the host system by leveraging the default settings of the Autorun directory.
Sources
modules/exploits/multi/http/cleo_rce_cve_2024_55956.rb
Metasploit Framework modulesDeclared conditions
- platform: Java,Linux,Unix,Windows($.exploit_multi/http/cleo_rce_cve_2024_55956.platform)
- verification: check_declared($.exploit_multi/http/cleo_rce_cve_2024_55956.check)
http/cves/2024/CVE-2024-55956.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: dsl($.matchers[*].type)
- oob: interactsh_reference($.template_text)
Responsible use
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