Schneider-electric Modicon Missing Encryption of Sensitive Data

medium Tenable.ot Plugin ID 500389
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Description

A CWE-311: Missing Encryption of Sensitive Data vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to find the password hash when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller and broke the encryption keys.

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: Medium

ID: 500389

Version: 1.0

Type: local

Family: SCADA

Published: 8/10/2021

Updated: 8/10/2021

Risk Information

CVSS Score Source: CVE-2020-7567

CVSS v2

Risk Factor: Low

Base Score: 2.9

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

CVSS v3

Risk Factor: Medium

Base Score: 5.7

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/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-2020-7567