CVE-2024-55956 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 94% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2025-01-07.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 93.97% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-77 |
| On CISA KEV | yes — remediate by 2025-01-07 |
| Public exploit | none known |
| Published | 2024-12-13 |
| Last modified | 2026-08-05 |
CISA KEV
| Name | Cleo Multiple Products Unauthenticated File Upload Vulnerability |
|---|---|
| Added | 2024-12-17 |
| Due | 2025-01-07 |
| Vendor / product | Cleo / Multiple Products |
| Ransomware use | known |
Affected (3)
| Vendor | Product |
|---|---|
| cleo | harmony |
| cleo | lexicom |
| cleo | vltrader |
References
- https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Advisory-CVE-Pending
- https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Update
- https://www.huntress.com/blog/threat-advisory-oh-no-cleo-cleo-software-actively-being-exploited-in-the-wild
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55956
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