description: Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.
problem types: Untrusted Pointer Dereference CWE-822
affected:
{
product: Beckhoff TwinCAT PLC products
vendor: ICS-CERT
versions:
status: affected, version: TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, TwinCAT 3.1
}