CVE-2024-55956 (GCVE-0-2024-55956)

Vulnerability from cvelistv5 – Published: 2024-12-13 00:00 – Updated: 2025-10-21 22:55
VLAI? CISA KEV
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.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: e72315c2-2733-4a5e-8546-9752df9a8b82

Vulnerability ID: CVE-2024-55956

Status: Confirmed

Status Updated: 2024-12-17 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2024-12-17
Asserted: 2024-12-17
Scope
Notes: KEV entry: Cleo Multiple Products Unauthenticated File Upload Vulnerability | Affected: Cleo / Multiple Products | 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. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2025-01-07 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Update-CVE-2024-55956 ; https://nvd.nist.gov/vuln/detail/CVE-2024-55956
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-276
Feed CISA Known Exploited Vulnerabilities Catalog
Product Multiple Products
Due Date 2025-01-07
Date Added 2024-12-17
Vendorproject Cleo
Vulnerabilityname Cleo Multiple Products Unauthenticated File Upload Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
Show details on NVD website
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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.