CVE-2021-35533

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 Software

VendorProductVersion RangeStatus
Hitachi EnergyRTU500 seriesCMU Firmware version 12.0 <= 12.0.*affected
Hitachi EnergyRTU500 seriesCMU Firmware version 12.2 <= 12.2.*affected
Hitachi EnergyRTU500 seriesCMU Firmware version 12.4 <= 12.4.*affected

Weaknesses

  • CWE-20: CWE-20 Improper Input Validation

ADP Enrichment

CVE Program Container

Additional References

References