CVE-2024-55956: Cleo Multiple Products Unauthenticated File Upload Vulnerability

CVE-2024-55956 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2024-12-17

Cleo Harmony, VLTrader, and LexiCom contain an unrestricted file upload vulnerability in the Autorun directory. An unauthenticated remote attacker can leverage default settings to upload and execute arbitrary Bash or PowerShell commands on the host system.

Technologies: Apple Multiple Products. Vendors: Apple.

Quick answers

Is CVE-2024-55956 exploited in the wild?
Yes. CVE-2024-55956 is known to be exploited in the wild, first recorded on 17 December 2024. Treat it as urgent.
How severe is CVE-2024-55956?
Critical severity, with a CVSS score of 9.8, published 17 December 2024.
Which products and versions are affected?
Cleo Harmony before 5.8.0.24; Cleo VLTrader before 5.8.0.24; Cleo LexiCom before 5.8.0.24.
Is there a fix for CVE-2024-55956?
A patch was published on 2024-12-20: NVD analysis notes versions 5.8.0.24 and later are not affected Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2024-55956 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2024-55956?
Check whether you run Apple Multiple Products. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Cleo Harmony before 5.8.0.24
  • Cleo VLTrader before 5.8.0.24
  • Cleo LexiCom before 5.8.0.24

Timeline

  • 2024-12-13: disclosed: Initial CVE publication by MITRE
  • 2024-12-17: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2024-12-17: exploited: Reported as actively being exploited in the wild by Huntress and CISA
  • 2024-12-20: patched: NVD analysis notes versions 5.8.0.24 and later are not affected

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