Hitachi Energy RTU500 series BCI
An issue exists in the BCI IEC 60870-5-104 function included in the affected products. If BCI IEC 60870-5-104 is enabled and configured, an attacker could exploit the vulnerability by sending a specially crafted message to the affected product, causing it to reboot. This vulnerability is caused by the validation error in the APDU parser of the BCI IEC 60870-5-104 function.CVE-2021-35533 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).