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.

Classification

CVE ID: CVE-2024-0643

CVSS Base Severity: CRITICAL

CVSS Base Score: 10.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Products

Vendor: Cires21

Product: C21 Live Encoder and Live Mosaic

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.32% (probability of being exploited)

EPSS Percentile: 54.47% (scored less or equal to compared to others)

EPSS Date: 2025-06-06 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: total

SSVC Automatable: true

References

https://nvd.nist.gov/vuln/detail/CVE-2024-0643
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-cires21-products

Timeline