Schneider Electric Modicon Improper Input Validation (CVE-2024-11737)

critical Tenable OT Security Plugin ID 502809

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An improper input validation vulnerability exists that could lead to a denial-of-service and a loss of confidentiality and integrity in the controller when an unauthenticated crafted Modbus packet is sent to the device.

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: 502809

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 12/19/2024

Updated: 12/20/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:schneider-electric:modicon_m251_series_firmware, cpe:/o:schneider-electric:modicon_lmc058_series_firmware, cpe:/o:schneider-electric:modicon_m241_series_firmware, cpe:/o:schneider-electric:modicon_m258_series_firmware

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 12/10/2024

Vulnerability Publication Date: 12/10/2024

Reference Information

CVE: CVE-2024-11737

CWE: 20

ICSA: 24-352-04

Detections

Analytics