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Dossier · Vulnerability

Actively exploited · CISA KEV · NVD published 2024-12-13

CVE-2024-55956

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.

  1. First PoC
  2. same day →Metasploit
  3. 178 days →First cited attacker

Signals

Exploited in the wild
Yesadded 2024-12-17 · due 2025-01-07 · known ransomware use. An observation, not a forecast.
EPSS · 30-day forecast
94%Chance of exploitation in the next 30 days, 100th percentile of all CVEs. A forecast; KEV outranks it.
CVSS · NVD · CRITICAL
9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Internet exposure
not stated by sourcesNo exposure census on this CVE's dispatches.

Exploits

2 known · links only

Metasploit1

  1. This module exploits an unauthenticated file write vulnerability in Cleo LexiCom, VLTrader, and Harmony versions 5.8.0.23 and below.

    ruby · seen 2026-10-18

Nuclei1

  1. 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.

    yaml · seen 2026-10-18

On the wire

0 dispatches

No dispatch on our wire has named this CVE yet.

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