CVE-2024-0643
CWE-434Published: January 17, 2024· Updated: Jun 17, 2026
Official Description
Unrestricted upload of dangerous file types in the C21 Live Encoder and Live Mosaic product, version 5.3. This vulnerability allows a remote attacker to upload different file extensions without any restrictions, resulting in a full system compromise.
Risk Analysis
C21 Live Encoder and Live Mosaic version 5.3 are vulnerable to unrestricted file uploads. An attacker can remotely upload dangerous file types, leading to full system compromise.
No public exploit is known, and the vulnerability is not in the CISA KEV catalog.
Contact the vendor for an update or patch to restrict file uploads.
Technical Analysis
CVE-2024-0643 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-434)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-0643 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts