Improper Input Validation vulnerability in the APDU parser in the Bidirectional Communication Interface (BCI) IEC 60870-5-104 function of Hitachi Energy RTU500 series allows an attacker to cause the receiving RTU500 CMU of which the BCI is enabled to reboot when receiving a specially crafted message. By default, BCI IEC 60870-5-104 function is disabled (not configured). This issue affects: Hitachi Energy RTU500 series CMU Firmware version 12.0.* (all versions); CMU Firmware version 12.2.* (all versions); CMU Firmware version 12.4.* (all versions).
Metrics
Affected Vendors & Products
Advisories
Source | ID | Title |
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EUVD-2021-22169 | Improper Input Validation vulnerability in the APDU parser in the Bidirectional Communication Interface (BCI) IEC 60870-5-104 function of Hitachi Energy RTU500 series allows an attacker to cause the receiving RTU500 CMU of which the BCI is enabled to reboot when receiving a specially crafted message. By default, BCI IEC 60870-5-104 function is disabled (not configured). This issue affects: Hitachi Energy RTU500 series CMU Firmware version 12.0.* (all versions); CMU Firmware version 12.2.* (all versions); CMU Firmware version 12.4.* (all versions). |
Fixes
Solution
- Disable BCI IEC 60870-5-104 function by configuration if it is not used. - Update to RTU500 series CMU Firmware version 12.6.5.0 or later (e.g., RTU500 CMU Firmware version 12.7.* or CMU Firmware version 13.2.* or later).
Workaround
No workaround given by the vendor.
References
History
No history.

Status: PUBLISHED
Assigner: Hitachi Energy
Published:
Updated: 2024-09-16T21:02:16.277Z
Reserved: 2021-06-28T00:00:00
Link: CVE-2021-35533

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Status : Modified
Published: 2021-11-26T17:15:07.743
Modified: 2024-11-21T06:12:27.677
Link: CVE-2021-35533

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