LS ELECTRIC XBC-DN32U with operating system version 01.80 has improper access control to its read prohibition feature. This could allow a remote attacker to remotely set the feature to lock users out of reading data from the device.
LS ELECTRIC is developing mitigations (to be released tentatively by the end of 2023) and recommends users follow the provided workarounds to reduce the risk of exploitation:
* Restrict communication to the PLC to only trusted IP addresses and trusted devices by enabling the “Host Table” option in the configuration window of the PLC.
Exploits
Credits
finder
HeeA Go of Dankook University reported these vulnerabilities