nxagent in FreeNX before 0.2.8 does not properly handle when the XAUTHORITY environment variable is not set, which allows local users to access the X server without X authentication.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freenx | Freenx | 0.2.0 (including) | 0.2.0 (including) |
| Freenx | Freenx | 0.2.1 (including) | 0.2.1 (including) |
| Freenx | Freenx | 0.2.2 (including) | 0.2.2 (including) |
| Freenx | Freenx | 0.2.3 (including) | 0.2.3 (including) |
| Freenx | Freenx | 0.2.4 (including) | 0.2.4 (including) |
| Freenx | Freenx | 0.2.5 (including) | 0.2.5 (including) |
| Freenx | Freenx | 0.2.6 (including) | 0.2.6 (including) |
| Freenx | Freenx | 0.2.7 (including) | 0.2.7 (including) |