An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to unauthorized access. An attacker can send a network request to trigger this vulnerability.
The product, by default, initializes an internal variable with an insecure or less secure value than is possible.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Vpn | Softether | 4.41-9782-beta (including) | 4.41-9782-beta (including) |
| Vpn | Softether | 5.01.9674 (including) | 5.01.9674 (including) |