{"id":"CVE-2024-55956","title":"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 Aut…","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 Aut…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-77","CWE-77"],"vendor":"cleo","product":"harmony","affected":["harmony < 5.8.0.24","lexicom < 5.8.0.24","vltrader < 5.8.0.24"],"patched":["harmony 5.8.0.24","lexicom 5.8.0.24","vltrader 5.8.0.24"],"published":"2024-12-13","updated":"2026-08-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-55956","references":[{"url":"https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Advisory-CVE-Pending","label":"cve@mitre.org"},{"url":"https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Update","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.huntress.com/blog/threat-advisory-oh-no-cleo-cleo-software-actively-being-exploited-in-the-wild","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55956","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","kev","in-the-wild","exploit-available"],"epss":0.93968,"epssPercentile":0.99844,"kev":true,"kevDateAdded":"2024-12-17","kevDueDate":"2025-01-07","kevRansomware":true,"exploited":true,"ingestedAt":"2026-08-05T11:47:23.486Z","exploits":{"metasploit":["exploit/multi/http/cleo_rce_cve_2024_55956"],"nuclei":["CVE-2024-55956"],"checkedAt":"2026-09-21T15:26:48.060Z"},"exploitAvailable":true,"slug":"CVE-2024-55956","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `harmony < 5.8.0.24`\n- `lexicom < 5.8.0.24`\n- `vltrader < 5.8.0.24`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `harmony 5.8.0.24`\n- `lexicom 5.8.0.24`\n- `vltrader 5.8.0.24`","depth":"hadal","depthScore":100,"depthScoreParts":{"impact":53.9,"likelihood":18.8,"exploitation":25,"ransomware":5},"changes":[{"seq":4743,"id":"CVE-2024-55956","ts":1788887203316,"field":"exploit_available","old":"false","new":"true"},{"seq":3626,"id":"CVE-2024-55956","ts":1788886319490,"field":"exploit_available","old":"true","new":"false"},{"seq":2480,"id":"CVE-2024-55956","ts":1788882988035,"field":"exploit_available","old":"false","new":"true"},{"seq":1509,"id":"CVE-2024-55956","ts":1788882401601,"field":"exploit_available","old":"true","new":"false"},{"seq":623,"id":"CVE-2024-55956","ts":1788881838268,"field":"exploit_available","old":"false","new":"true"}]}