CVE-2023-5768

6.1MEDIUM

Key Information

Vendor
Hitachi
Status
RTU500 series
Vendor
CVE Published:
4 December 2023

Summary

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.

Affected Version(s)

RTU500 series = RTU500 series CMU Firmware version 12.0.1 – 12.0.14

RTU500 series = RTU500 series CMU Firmware version 12.2.1 – 12.2.11

RTU500 series = RTU500 series CMU Firmware version 12.4.1 – 12.4.11

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database
.