| Vendor | Products | Vulnerabilities |
|---|---|---|
| Codester | 1 | 3 |
| Creacast | 1 | 3 |
| Cloud | 6 | 3 |
| Cysoft168 | 1 | 3 |
| Cygwin | 2 | 3 |
| Cygnus Network Security Project | 1 | 3 |
| Cyclades | 1 | 3 |
| Cybersolutions | 1 | 3 |
| Cyberhobo | 1 | 3 |
| Cyberfolio | 1 | 3 |
| Cvsup | 2 | 3 |
| Cvstrac | 1 | 3 |
| Customerparadigm | 1 | 3 |
| Customcms | 2 | 3 |
| Cusmin | 1 | 3 |
| Cusg | 1 | 3 |
| Cubewp | 1 | 3 |
| Ctparental Project | 1 | 3 |
| Csharp | 1 | 3 |
| Cryptsetup Project | 1 | 3 |
20 | ||