Schneider-electric Modicon Out-of-bounds Write

high Tenable.ot Plugin ID 500422
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Description

Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (V5.0.0.7 and prior) which could cause Denial of Service when sending specific crafted IPV4 packet to the controller: Sending a specific IPv4 protocol package to Schneider Electric Modicon M218 Logic Controller can cause IPv4 devices to go down. The device does not work properly and must be powered back on to return to normal.

Solution

Refer to vendor advisory for Security Updates

See Also

https://www.se.com/ww/en/download/document/SEVD-2020-224-03/

Plugin Details

Severity: High

ID: 500422

Version: 1.0

Type: local

Family: SCADA

Published: 8/10/2021

Updated: 8/10/2021

Risk Information

CVSS Score Source: CVE-2020-7524

CVSS v2

Risk Factor: Medium

Base Score: 5

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

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:*

Patch Publication Date: 8/31/2020

Vulnerability Publication Date: 8/31/2020

Reference Information

CVE: CVE-2020-7524