nxapplet.jar in No Machine NX Web Companion 3.x and earlier does not properly verify the authenticity of updates, which allows user-assisted remote attackers to execute arbitrary code via a crafted (1) SiteUrl or (2) RedirectUrl parameter that points to a Trojan Horse client.zip update file.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Nx_web_companion | Nomachine | * | 3.5.0-2 (including) |
| Nx_web_companion | Nomachine | 1.5.0-beta2 (including) | 1.5.0-beta2 (including) |
| Nx_web_companion | Nomachine | 1.5.0-beta3 (including) | 1.5.0-beta3 (including) |
| Nx_web_companion | Nomachine | 2.0.0-1 (including) | 2.0.0-1 (including) |
| Nx_web_companion | Nomachine | 2.1.0-1 (including) | 2.1.0-1 (including) |
| Nx_web_companion | Nomachine | 3.0.0-1 (including) | 3.0.0-1 (including) |
| Nx_web_companion | Nomachine | 3.0.0-2 (including) | 3.0.0-2 (including) |
| Nx_web_companion | Nomachine | 3.0.0-3 (including) | 3.0.0-3 (including) |
| Nx_web_companion | Nomachine | 3.0.0-4 (including) | 3.0.0-4 (including) |
| Nx_web_companion | Nomachine | 3.0.0-5 (including) | 3.0.0-5 (including) |
| Nx_web_companion | Nomachine | 3.1.0-1 (including) | 3.1.0-1 (including) |
| Nx_web_companion | Nomachine | 3.2.0-1 (including) | 3.2.0-1 (including) |
| Nx_web_companion | Nomachine | 3.3.0-1 (including) | 3.3.0-1 (including) |
| Nx_web_companion | Nomachine | 3.3.0-2 (including) | 3.3.0-2 (including) |
| Nx_web_companion | Nomachine | 3.4.0-1 (including) | 3.4.0-1 (including) |
| Nx_web_companion | Nomachine | 3.4.0-2 (including) | 3.4.0-2 (including) |
| Nx_web_companion | Nomachine | 3.4.0-3 (including) | 3.4.0-3 (including) |
| Nx_web_companion | Nomachine | 3.5.0-1 (including) | 3.5.0-1 (including) |