CVE-2024-50623
Actively exploited. CVE-2024-50623 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-12-13) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2024-50623 is indexed in Metasploit, GitHub PoC and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
Cleo Harmony, VLTrader, and LexiCom, which are managed file transfer products, contain an unrestricted file upload and download vulnerability that can lead to remote code execution with elevated privileges.
CSIRTS triage
- What
- The vulnerability allows for remote code execution with elevated privileges due to unrestricted file upload and download.
- Who is affected
- Users of Cleo Harmony, VLTrader, and LexiCom products are affected.
- Urgency
- Immediate action is required as the vulnerability is actively exploited and classified as critical.
- Action
- Apply the latest security patches provided by Cleo.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2024-50623 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- MetasploitA Metasploit Framework module targets this CVE — weaponized, point-and-click exploitation.look it up ↗
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2024-50623: Cleo Multiple Products Unrestricted File Upload Vulnerabilitycisa-kev · 2024-12-13
External references
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[](https://www.csirts.com/cve/CVE-2024-50623)