What’s Vulnerable › Vulnerabilities

CVE-2024-0643: Unrestricted upload of dangerous file types in C21 Live Encoder and Live Mosaic

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-17 · updated 2026-06-17
• Weakness: CWE-434

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.

Affected products

• Cires21 C21 Live Encoder and Live Mosaic: 5.3

References

• https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-cires21-products
• https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-cires21-products

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