Vulnerabilities > CVE-2021-20599 - Authorization Bypass Through User-Controlled Key vulnerability in Mitsubishielectric products

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
NONE
Availability impact
NONE
network
low complexity
mitsubishielectric
CWE-639

Summary

Cleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions "26" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU all versions allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password.