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CVE-2023-5768

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CVE-2023-5768

Published: Dec 4, 2023

Modified: Aug 2, 2024

PUBLISHED

CVSS v3.1

5.9

MEDIUM

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.

VendorProductVersions

Hitachi Energy

RTU500 series

affected
RTU500 series CMU Firmware version 12.0.1 – 12.0.14
affected
RTU500 series CMU Firmware version 12.2.1 – 12.2.11
affected
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 – 12.7.6

+2 more versions

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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