Vtun 2.5b1 does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and possibly control the data contents via cut-and-paste attacks on ECB.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Vtun | Maxim_krasnyansky | 2.5b1 (including) | 2.5b1 (including) |