ABB M2M Gateway Arbitrary Code Execution in embedded OpenSSH (CVE-2023-38408)

critical Tenable OT Security Plugin ID 503240

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if an agent is forwarded to an attacker-controlled system.
(Code in /usr/lib is not necessarily safe for loading into ssh-agent.) NOTE: this issue exists because of an incomplete fix for CVE-2016-10009.

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

Solution

Refer to the vendor advisory.

Plugin Details

Severity: Critical

ID: 503240

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 5/27/2025

Updated: 5/27/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: cpe:/o:abb:sw_firmware, cpe:/o:abb:arm600_firmware

Required KB Items: Tenable.ot/ABB

Exploit Ease: No known exploits are available

Patch Publication Date: 7/20/2023

Vulnerability Publication Date: 7/20/2023

Reference Information

CVE: CVE-2023-38408

CWE: 428

ICSA: 25-105-08

Detections

Analytics