Schneider-electric Modicon Unspecified Vulnerability

high Tenable.ot Plugin ID 500458
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Description

A CWE-334: Small Space of Random Values vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption keys when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.

Solution

Refer to vendor advisory for Security Updates

See Also

https://www.se.com/ww/en/download/document/SEVD-2020-315-05/

https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04

Plugin Details

Severity: High

ID: 500458

Version: 1.0

Type: local

Family: SCADA

Published: 8/10/2021

Updated: 8/10/2021

Risk Information

CVSS Score Source: CVE-2020-7566

CVSS v2

Risk Factor: Medium

Base Score: 4.3

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

CVSS v3

Risk Factor: High

Base Score: 7.3

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

Vulnerability Information

CPE: cpe:2.3:o:schneider-electric:modicon_m221_firmware:-:*:*:*:*:*:*:*

Patch Publication Date: 11/19/2020

Vulnerability Publication Date: 11/19/2020

Reference Information

CVE: CVE-2020-7566