high
7.5
CWE
787
Advisory Published
Updated

CVE-2022-2081

First published: Thu Jan 04 2024(Updated: )

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.

Credit: cybersecurity@hitachienergy.com

Affected SoftwareAffected VersionHow to fix
All of
Any of
Hitachienergy Rtu520 Firmware>=12.0.1<=12.0.13
Hitachienergy Rtu520 Firmware>=12.2.1<=12.2.11
Hitachienergy Rtu520 Firmware>=12.4.1<=12.4.11
Hitachienergy Rtu520 Firmware>=12.6.1<=12.6.7
Hitachienergy Rtu520 Firmware>=12.7.1<=12.7.3
Hitachienergy Rtu520 Firmware>=13.2.1<=13.2.4
Hitachienergy Rtu520 Firmware=13.3.1
Hitachienergy Rtu520
All of
Any of
Hitachienergy Rtu530 Firmware>=12.0.1<=12.0.13
Hitachienergy Rtu530 Firmware>=12.2.1<=12.2.11
Hitachienergy Rtu530 Firmware>=12.4.1<=12.4.11
Hitachienergy Rtu530 Firmware>=12.6.1<=12.6.7
Hitachienergy Rtu530 Firmware>=12.7.1<=12.7.3
Hitachienergy Rtu530 Firmware>=13.2.1<=13.2.4
Hitachienergy Rtu530 Firmware=13.3.1
Hitachienergy Rtu530
All of
Any of
Hitachienergy Rtu540 Firmware>=12.0.1<=12.0.13
Hitachienergy Rtu540 Firmware>=12.2.1<=12.2.11
Hitachienergy Rtu540 Firmware>=12.4.1<=12.4.11
Hitachienergy Rtu540 Firmware>=12.6.1<=12.6.7
Hitachienergy Rtu540 Firmware>=12.7.1<=12.7.3
Hitachienergy Rtu540 Firmware>=13.2.1<=13.2.4
Hitachienergy Rtu540 Firmware=13.3.1
Hitachienergy Rtu540
All of
Any of
Hitachienergy Rtu560 Firmware>=12.0.1<=12.0.13
Hitachienergy Rtu560 Firmware>=12.2.1<=12.2.11
Hitachienergy Rtu560 Firmware>=12.4.1<=12.4.11
Hitachienergy Rtu560 Firmware>=12.6.1<=12.6.7
Hitachienergy Rtu560 Firmware>=12.7.1<=12.7.3
Hitachienergy Rtu560 Firmware>=13.2.1<=13.2.4
Hitachienergy Rtu560 Firmware=13.3.1
Hitachienergy Rtu560

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