FreeRDP is a free implementation of the Remote Desktop Protocol (RDP). In versions prior to 2.7.0, NT LAN Manager (NTLM) authentication does not properly abort when someone provides and empty password value. This issue affects FreeRDP based RDP Server implementations. RDP clients are not affected. The vulnerability is patched in FreeRDP 2.7.0. There are currently no known workarounds.
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 |
|---|---|---|---|
| Freerdp | Freerdp | * | 2.7.0 (excluding) |
| Freerdp | Ubuntu | bionic | * |
| Freerdp2 | Ubuntu | bionic | * |
| Freerdp2 | Ubuntu | focal | * |
| Freerdp2 | Ubuntu | impish | * |
| Freerdp2 | Ubuntu | jammy | * |
| Freerdp2 | Ubuntu | upstream | * |