B&R APROL versions < R 4.2-07 doesn’t process correctly specially formatted data packages sent to port 55502/tcp, which may allow a network based attacker to cause an application Denial-of-Service.

Insufficient validation of input parameters when changing configuration on Tbase server in B&R APROL versions < R 4.2-07 could result in buffer overflow. This may lead to Denial-of-Service conditions or execution of arbitrary code.

Insufficient check of preconditions could lead to Denial of Service conditions when calling commands on the Tbase server of B&R APROL versions < R 4.2-07.

 Lack of verification in B&R APROL Tbase server versions < R 4.2-07 may lead to memory leaks when receiving messages

Missing authentication when creating and managing the B&R APROL database in versions < R 4.2-07 allows reading and changing the system configuration.