Riskcovery

CVE-2023-5768

State
Published
Severity
5.9 Medium
Published
Dec 4, 2023
Updated
Aug 2, 2024
Reserved
Oct 25, 2023

Read the record on cve.org

Description

A vulnerability exists in the HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below. Incomplete or wrong received APDU frame layout may cause blocking on link layer. Error reason was an endless blocking when reading incoming frames on link layer with wrong length information of APDU or delayed reception of data octets.

Only communication link of affected HCI IEC 60870-5-104 is blocked. If attack sequence stops the communication to the previously attacked link gets normal again.

Scores

CVSSScoreVectorSource
3.15.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HHitachi Energy

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
RTU500 seriesHitachi Energy
  • RTU500 series CMU Firmware version 12.0.1 – 12.0.14Affected
  • RTU500 series CMU Firmware version 12.2.1 – 12.2.11Affected
  • RTU500 series CMU Firmware version 12.4.1 – 12.4.11 Affected
  • RTU500 series CMU Firmware version 12.6.1 – 12.6.9 Affected
  • RTU500 series CMU Firmware version 12.7.1 – 12.7.6Affected
  • RTU500 series CMU Firmware version 13.2.1 – 13.2.6 Affected
  • RTU500 series CMU Firmware version 13.4.1 – 13.4.3 Affected

References

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