ABB M2M Gateway Heap Overflow in embedded Zlib (CVE-2022-37434)

critical Tenable OT Security Plugin ID 503244

Synopsis

The remote OT asset is affected by a vulnerability.

Description

zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field.
NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference).

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: 503244

File Name: tenable_ot_abb_CVE-2022-37434.nasl

Version: 1.2

Type: Remote

Family: Tenable.ot

Published: 5/27/2025

Updated: 4/21/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.95

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: 8/5/2022

Vulnerability Publication Date: 8/5/2022

Reference Information

CVE: CVE-2022-37434

CWE: 787

ICSA: 25-105-08

Detections

Analytics