Mitsubishi Electric MELSEC iQ-R Series C Controller Module (Update B)
The potential for a denial-of-service condition exists in MELSEC iQ-R series C Controller Module due to uncontrolled resource consumption caused by an attacker sending a large number of packets to the module at start up in a short time. CVE-2021-20600 has been assigned to this vulnerability. A CVSS v3 base score of 6.8 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H).