The vulnerability of the debug interface of the microprogrammable logic controllers JUMO variTRON 300, JUMO variTRON 500, and JUMO variTRON 500 touch allows a intruder to gain unauthorized access to the device.

The vulnerability of the debug interface of the microprogrammed logic controllers JUMO variTRON 300, JUMO variTRON 500, and JUMO variTRON 500 touch is related to errors in the code of the pseudo-random number generator. Exploiting this vulnerability can allow an intruder to gain unauthorized acce...