Improper Authentication vulnerability in B&R Industrial Automation B&R VC4 (VNC-Server modules). This vulnerability may allow an unauthenticated network-based attacker to bypass the authentication mechanism of the VC4 visualization on affected devices. The impact of this vulnerability depends on the functionality provided in the visualization. This issue affects B&R VC4: from 3.* through 3.96.7, from 4.0* through 4.06.7, from 4.1* through 4.16.3, from 4.2* through 4.26.8, from 4.3* through 4.34.6, from 4.4* through 4.45.1, from 4.5* through 4.45.3, from 4.7* through 4.72.9.
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 |
|---|---|---|---|
| Vc4 | Br-automation | * | 3.96.8 (excluding) |
| Vc4 | Br-automation | 4.0.0 (including) | 4.06.4 (including) |
| Vc4 | Br-automation | 4.10.0 (including) | 4.16.3 (including) |
| Vc4 | Br-automation | 4.20.0 (including) | 4.26.8 (including) |
| Vc4 | Br-automation | 4.30.0 (including) | 4.34.7 (excluding) |
| Vc4 | Br-automation | 4.40.0 (including) | 4.45.1 (including) |
| Vc4 | Br-automation | 4.50.0 (including) | 4.53.0 (including) |
| Vc4 | Br-automation | 4.70.0 (including) | 4.73.0 (excluding) |