CVE-2022-4608

HIGH

Hitachi Energy RTU500 Firmware - Denial of Service via HCI IEC 60870-5-104 Session Parameter Update

Title source: llm
STIX 2.1

Description

A vulnerability exists in HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-3. After session resumption interval is expired an RTU500 initiated update of session parameters causes an unexpected restart due to a stack overflow.

Scores

CVSS v3 7.5
EPSS 0.0060
EPSS Percentile 44.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (4)
hitachienergy/rtu500_firmware 13.3.1
hitachienergy/rtu500_firmware 13.3.2
hitachienergy/rtu500_firmware 13.3.3
hitachienergy/rtu500_firmware 13.4.1
Published Jul 26, 2023
Tracked Since Feb 18, 2026