description: A vulnerability exists in the HCI Modbus TCP function included in the product versions listed above. If the HCI Modbus TCP is enabled and configured, an attacker could exploit the vulnerability by sending a specially crafted message to the RTU500 in a high rate, causing the targeted RTU500 CMU to reboot. The vulnerability is caused by a lack of flood control which eventually if exploited causes an internal stack overflow in the HCI Modbus TCP function.
problem types: CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
affected:
{
defaultStatus: unaffected
product: RTU500 series CMU firmware
vendor: Hitachi Energy
versions:
lessThanOrEqual: 12.0.13.0, status: affected, version: 12.0.1.0, versionType: custom
lessThanOrEqual: 12.2.11.0, status: affected, version: 12.2.1.0, versionType: custom
lessThanOrEqual: 12.4.11.0, status: affected, version: 12.4.1.0, versionType: custom
lessThanOrEqual: 12.6.7.0, status: affected, version: 12.6.1.0, versionType: custom
lessThanOrEqual: 12.7.3.0, status: affected, version: 12.7.1.0, versionType: custom
lessThanOrEqual: 13.2.4.0, status: affected, version: 13.2.1.0, versionType: custom
status: affected, version: 13.3.1.0
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL