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.
Published: 2020-11-19
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-28692 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.
History

Fri, 29 May 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Subscriptions

Schneider-electric Modicon M221 Modicon M221 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: schneider

Published:

Updated: 2026-05-29T14:49:08.722Z

Reserved: 2020-01-21T00:00:00.000Z

Link: CVE-2020-7567

cve-icon Vulnrichment

Updated: 2024-08-04T09:33:19.454Z

cve-icon NVD

Status : Modified

Published: 2020-11-19T22:15:15.097

Modified: 2026-06-17T03:25:01.660

Link: CVE-2020-7567

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-311

    Missing Encryption of Sensitive Data