On 2024-12-13, CISA added CVE-2024-50623 (Cleo Multiple Products) to its Known Exploited Vulnerabilities (KEV) catalog [2]. The vulnerability is listed in the catalog as "Cleo Multiple Products Unrestricted File Upload Vulnerability" [2]. CISA requires applying mitigations in accordance with vendor instructions; see the full text below for specific requirements [2].
Backfill: this event became public on Dec 13, 2024 and we added it on Nov 10, 2026. It is not a new event.
CISA Adds Cleo Multiple Products Vulnerability CVE-2024-50623 to Known Exploited Vulnerabilities Catalog
1 min read
- Disclosed
- Dec 13, 2024
- Published
- Nov 10, 2026
- Last updated
- Nov 8, 2026
- CVSS basis
- Our assessment
- 98.6%, higher than 100% of CVEs
- Exploitation and patch status
- ExploitedKEV
- Attack vector
- Vulnerability status
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Government, Cross-industry
What to do nowOur advice
CISA requires applying mitigations in accordance with vendor instructions; see the full text for specific requirements [2].
Timeline
Technical details
CISA KEV Listing
On 2024-12-13, CISA added CVE-2024-50623 to the Known Exploited Vulnerabilities () catalog for Cleo Multiple Products [2].
Original Technical Description
Cleo Harmony, VLTrader, and LexiCom, which are managed file transfer products, contain an unrestricted file upload and download vulnerability that can lead to with elevated privileges. [2]
Official Requirements
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. [2]
Individual Vulnerability Record
The U.S. National Vulnerability Database (NVD) provides an independent vulnerability record and description for CVE-2024-50623 [1].
References
Official / primary3
- [1]
“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.”
- [2]
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