Description
A vulnerability exists in the RTU500 that allows for authenticated and authorized users to bypass secure update, if secure update feature was not enabled on all CMUs of a RTU500. If a malicious actor successfully exploits this vulnerability, they could use it to update the RTU500 with unsigned firmware.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Hitachi Energy RTU500 series CMU firmware
Default version status: unaffected
13.2.1 to ≤ 13.2.7affected13.4.1 to ≤ 13.4.4affected13.5.1 to ≤ 13.5.3affected