ABB M2M Gateway Use-After-Free in embedded Libexpat (CVE-2022-40674)

high Tenable OT Security Plugin ID 503230

Synopsis

The remote OT asset is affected by a vulnerability.

Description

libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.

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: High

ID: 503230

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: Medium

Score: 6.7

CVSS v3

Risk Factor: High

Base Score: 8.1

Vector: CVSS:3.0/AV:N/AC:H/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: 9/14/2022

Vulnerability Publication Date: 9/14/2022

Reference Information

CVE: CVE-2022-40674

CWE: 416

ICSA: 25-105-08

Detections

Analytics