CVE-2024-55956
criticalKEV · exploitedEPSS 0.940 · 100 %ileexploit · weaponizedEURUUSadded 2024-12-17remediate by 2025-01-07
required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
EPSS · scored 2026-10-20
Cleo Multiple Products Unauthenticated File Upload Vulnerability
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
affected products (7)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Advisory-CVE-Pendingcnnvd
- https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Updatecnnvd
- https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Update-CVE-2024-55956Patchcnnvd
- https://www.huntress.com/blog/threat-advisory-oh-no-cleo-cleo-software-actively-being-exploited-in-the-wildcnnvd
- https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Advisory-CVE-Pendingenisa_euvd
- https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-Advisory-CVE-PendingVendor Advisorynvd
- https://support.cleo.com/hc/en-us/articles/28408134019735-Cleo-Product-Security-UpdateVendor Advisorynvd
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55956US Government Resourcenvd
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