Specially Crafted IEC 60870-5-104 Packet Vulnerability in RTU500 series
CVE-2021-35533

7.5HIGH

Key Information:

Vendor
Hitachi
Status
Rtu500 Series
Vendor
CVE Published:
17 November 2021

Summary

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).

Affected Version(s)

RTU500 series CMU Firmware version 12.0 <= 12.0.*

RTU500 series CMU Firmware version 12.2 <= 12.2.*

RTU500 series CMU Firmware version 12.4 <= 12.4.*

References

https://search.abb.com/library/Download.aspx?DocumentID=8...
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.