Description
A CWE-760: Use of a One-Way Hash with a Predictable Salt vulnerability exists in Modicon M221 (all references, all versions), that could allow an attacker to pre-compute the hash value using dictionary attack technique such as rainbow tables, effectively disabling the protection that an unpredictable salt would provide.
Published: 2020-12-11
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-20698 A CWE-760: Use of a One-Way Hash with a Predictable Salt vulnerability exists in Modicon M221 (all references, all versions), that could allow an attacker to pre-compute the hash value using dictionary attack technique such as rainbow tables, effectively disabling the protection that an unpredictable salt would provide.
History

Thu, 28 May 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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: 2026-05-28T20:12:55.037Z

Reserved: 2020-11-05T00:00:00.000Z

Link: CVE-2020-28214

cve-icon Vulnrichment

Updated: 2024-08-04T16:33:58.330Z

cve-icon NVD

Status : Modified

Published: 2020-12-11T01:15:11.407

Modified: 2026-06-17T03:10:12.900

Link: CVE-2020-28214

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses