Severity
Medium
Analysis Summary
CVE-2023-6711
Hitachi Energy RTU500 series products are vulnerable to a denial of service, caused by a buffer overflow in the SCI IEC 60870-5-104 and HCI IEC 60870-5-104 components. By sending specially crafted messages, a remote attacker could exploit this vulnerability to cause the device to reboot.
Impact
- Denial of Service
- Buffer Overflow
Indicators Of Compromise
CVE
- CVE-2023-6711
Affected Vendors
Hitachi
Affected Products
- Hitachi Energy RTU500 series CMU Firmware 13.3.2
- Hitachi Energy RTU500 series CMU Firmware 12.0.1
- Hitachi Energy RTU500 series CMU Firmware 12.2.1
- Hitachi Energy RTU500 series CMU Firmware 12.4.1
- Hitachi Energy RTU500 series CMU Firmware 12.6.1
- Hitachi Energy RTU500 series CMU Firmware 12.7.1
- Hitachi Energy RTU500 series CMU Firmware 13.2.1
- Hitachi Energy RTU500 series CMU Firmware 13.4.1
- Hitachi Energy RTU500 series CMU Firmware 12.0.14
- Hitachi Energy RTU500 series CMU Firmware 12.2.11
- Hitachi Energy RTU500 series CMU Firmware 12.4.11
- Hitachi Energy RTU500 series CMU Firmware 12.6.9
- Hitachi Energy RTU500 series CMU Firmware 12.7.6
- Hitachi Energy RTU500 series CMU Firmware 13.2.6
- Hitachi Energy RTU500 series CMU Firmware 13.4.3
Remediation
Refer to Hitachi Energy Security Advisory for patch, upgrade or suggested workaround information.