The vulnerability of the microprogrammed software of the MELSEC iQ-R Series Safety CPU and Series SIL2 Process CPU modules, which stems from the lack of protection for operational data, allows unauthorized access by intruders to the protected information.

The vulnerability of the microprogrammed software of MELSEC iQ-R Series Safety CPUs and Series SIL2 Process CPUs is related to the lack of protection for operational data. Exploiting this vulnerability can allow an unauthorized person to gain unauthorized access to protected information...