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Hitachi Energy RTU500 Missing Authentication for Critical Function (CVE-2014-9195)

high Tenable OT Security Plugin ID 506489

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Missing authentication vulnerability in a network service of Hitachi Energy RTU500 allows an unauthenticated remote attacker to execute arbitrary commands using protocol-compliant network traffic.
Successful exploitation could result in unauthorized modification of the device or disruption of its intended operation.

According to Hitachi Energy, RTU500 series CMU firmware versions 11.x and prior are affected. All affected versions are End-of-Life.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Upgrade the RTU500 series CMU firmware to a supported version (12.7.8, 13.9.1 or later) as recommended in the Hitachi Energy advisory, and apply the general mitigation factors described in the advisory.

See Also

https://www.cisa.gov/news-events/ics-advisories/icsa-26-279-06

http://www.nessus.org/u?eddc4cc3

Plugin Details

Severity: High

ID: 506489

File Name: tenable_ot_abb_CVE-2014-9195.nasl

Version: 1.2

Type: Remote

Family: Tenable.ot

Published: 10/27/2026

Updated: 10/28/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: High

Score: 7.7

Percentile: 98.93

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2014-9195

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:hitachienergy:rtu500_firmware

Required KB Items: Tenable.ot/ABB

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/29/2026

Vulnerability Publication Date: 1/17/2015

Reference Information

CVE: CVE-2014-9195

CWE: 306

ICSA: 26-279-06