CVE-2023-5768 - CVE House
Back to Database
Status published Medium CVE-2023-5768

A vulnerability exists in the HCI IEC 60870-5-104 that affects...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-5768

Credits & Attribution

No credits recorded in the NVD database.

References

More from Hitachi Energy

View All →
CVE-2025-7740
Use of default credentials vulnerability in Hitachi Energy SuprOS product
High 8.8
CVE-2025-39205
A vulnerability exists in the IEC 61850 in MicroSCADA X...
High 7.1
CVE-2025-39204
A vulnerability exists in the Web interface of the MicroSCADA...
High 8.5
CVE-2025-39203
A vulnerability exists in the IEC 61850 of the MicroSCADA...
High 7.1
CVE-2025-39202
A vulnerability exists in in the Monitor Pro interface of...
High 8.3

Affected Vendor

Hitachi Energy

View all reports →

Affected Software

RTU500 series
Vulnerable Versions:
RTU500 series CMU Firmware version 12.0.1 – 12.0.14, RTU500 series CMU Firmware version 12.2.1 – 12.2.11, RTU500 series CMU Firmware version 12.4.1 – 12.4.11 , RTU500 series CMU Firmware version 12.6.1 – 12.6.9 , RTU500 series CMU Firmware version 12.7.1 – 12.7.6, RTU500 series CMU Firmware version 13.2.1 – 13.2.6 , RTU500 series CMU Firmware version 13.4.1 – 13.4.3

Timeline

Official Publish: December 4th, 2023
Last Modified: August 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.