Unrestricted upload of dangerous file types in C21 Live Encoder and Live Mosaic
Priority MEDIUM 50CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0067 52nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-0643
- 2026-10-03 Alias added: GHSA-gh84-qgjx-4xm7
References
More Cires21 Live Encoder vulnerabilities
- TI-2024-00593 Inadequate access control in C21 Live Encoder and Live Mosaic CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-0643 · CVE Program
- CVE-2024-0643 · NVD
- FIRST EPSS
- GHSA-gh84-qgjx-4xm7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences