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CVE-2024-50623

critical

Description

In Cleo Harmony before 5.8.0.21, VLTrader before 5.8.0.21, and LexiCom before 5.8.0.21, there is an unrestricted file upload and download that could lead to remote code execution.

References

https://www.bleepingcomputer.com/news/security/food-giant-wk-kellogg-discloses-data-breach-linked-to-clop-ransomware/

https://www.securityweek.com/western-alliance-bank-discloses-data-breach-linked-to-cleo-hack/

https://hackread.com/ransomware-attacks-hit-record-high-in-february-2025/

https://www.theregister.com/2025/02/28/cisa_kev_list_ransomware/

https://www.securityweek.com/cve-assigned-to-cleo-vulnerability-as-cl0p-ransomware-group-takes-credit-for-exploitation/

https://www.bleepingcomputer.com/news/security/clop-ransomware-claims-responsibility-for-cleo-data-theft-attacks/

https://www.theregister.com/2024/12/10/cleo_vulnerability/

https://www.securityweek.com/cleo-file-transfer-tool-vulnerability-exploited-in-wild-against-enterprises/

https://www.darkreading.com/cyberattacks-data-breaches/termite-ransomware-behind-cleo-zero-day-attacks

https://www.bleepingcomputer.com/news/security/new-cleo-zero-day-rce-flaw-exploited-in-data-theft-attacks/

https://therecord.media/multiple-cleo-file-transfer-products-exploited-by-hackers

https://thehackernews.com/2024/12/cleo-file-transfer-vulnerability-under.html

https://www.huntress.com/blog/threat-advisory-oh-no-cleo-cleo-software-actively-being-exploited-in-the-wild

https://support.cleo.com/hc/en-us/articles/27140294267799-Cleo-Product-Security-Advisory

Details

Source: Mitre, NVD

Published: 2024-10-28

Updated: 2025-03-10

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.93992

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest