Apple iPhone OS 1.0 through 2.1 and iPhone OS for iPod touch 1.1 through 2.1 changes the encryption level of PPTP VPN connections to a lower level than was previously used, which makes it easier for remote attackers to obtain sensitive information or hijack a connection by decrypting network traffic.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ipod_touch | Apple | * | * |
| Iphone_os | Apple | * | * |