Cleo Multiple Products Unrestricted File Upload Vulnerability (CVE-2024-50623)
Severity: critical · Patch status: unknown · Since 2024-12-13 · CVE-2024-50623
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. CISA added CVE-2024-50623 to its Known Exploited Vulnerabilities catalog on Dec 13, 2024, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Jan 3, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch