Schneider Electric Modicon M340, MC80, and Momentum Unity M1E Denial of Service (CVE-2024-8933)

high Tenable OT Security Plugin ID 502689

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability exists that could cause retrieval of password hash that could lead to denial of service and loss of confidentiality and integrity of controllers. To be successful, the attacker needs to inject themselves inside the logical network while a valid user uploads or downloads a project file into the controller.

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: 502689

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 11/28/2024

Updated: 11/29/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/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_momentum_171cbu98091_firmware, cpe:/o:schneider-electric:modicon_momentum_171cbu78090_firmware, cpe:/o:schneider-electric:modicon_mc80, cpe:/o:schneider-electric:modicon_momentum_171cbu98090_firmware, cpe:/o:schneider-electric:modicon_m340

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 11/12/2024

Vulnerability Publication Date: 11/12/2024

Reference Information

CVE: CVE-2024-8933

CWE: 924

ICSA: 24-326-03

Detections

Analytics