Schneider Electric Modicon Improper Handling of Exceptional Conditions (CVE-2019-6848)

high Tenable OT Security Plugin ID 500052

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580 CPU (BMEx58*) and Modicon M580 communication module (BMENOC0311, BMENOC0321) (see notification for version info), which could cause a Denial of Service attack on the PLC when sending specific data on the REST API of the controller/communication module.

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Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: High

ID: 500052

Version: 1.6

Type: remote

Family: Tenable.ot

Published: 2/7/2022

Updated: 1/24/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2019-6848

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: cpe:/o:schneider-electric:modicon_bmenoc0311_firmware:-, cpe:/o:schneider-electric:modicon_bmenoc0321_firmware:-, cpe:/o:schneider-electric:modicon_m580_series_firmware:-

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 10/29/2019

Vulnerability Publication Date: 10/29/2019

Reference Information

CVE: CVE-2019-6848

CWE: 755

Detections

Analytics