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Severity
High
Analysis Summary
CVE-2022-2081
Hitachi Energy RTU500 is vulnerable to a denial of service, caused by a stack-based buffer overflow in the HCI Modbus TCP function. By sending a large number of specially-crafted messages, a remote attacker could exploit this vulnerability to cause the device to reboot.
Impact
- Denial of Service
Indicators Of Compromise
CVE
- CVE-2022-2081
Affected Vendors
Hitachi Energy
Affected Products
- Hitachi RTU500 series CMU firmware 12.0
- Hitachi RTU500 series CMU firmware 12.2
- Hitachi RTU500 series CMU firmware 12.4
Remediation
Refer to CISA-CERT Advisory for the patch, upgrade, or suggested workaround information.
CISA-CERT Advisory