CVE•Published 2024-12-13•Modified 2026-08-05•1 article on news•5 live references•NVD data
CVE-2024-55956Cleo · Harmony
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
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.
Timeline
Published 2024-12-13
Modified 2026-08-05
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2024-55956Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Cleo Harmony"All exposed Cleo Harmony instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Harmony"HTTP body or banner mentions "Harmony" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2024-55956Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2024-55956Censys host search filtered to this CVE id.
grep.app
CVE-2024-55956Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2024-55956GitHub code search for direct mentions.
Google dork
"CVE-2024-55956" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (5)
CVE-2024-559565 repos
Ostorlab/KEVunknown
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
Vulnetix/breach-notesGo
Breach intelligence notes: structured YAML records of breach reports, advisories, and cyber incidents
Leviticus-Triage/llm-honeypot-intelligenceShell
Distributed honeypot intelligence platform with LLM-powered adaptive deception, RL engagement scoring, automated SIEM rule generation (Suricata/Sigma/YARA), ML anomaly detection, a…
fl4m3-s/Cleo_Unauth_RCEPython
Proof of concept to use an arbitrary file write to achieve Remote Code Execution in Cleo Harmony, VLTrader, and LexiCom before 5.8.0.24.
YurilLAB/WEWAFGo