CVE-2020-28214

MEDIUM
5.5
CVSS Score
Published: December 11, 2020 at 12:51 AM UTC
Updated: June 17, 2026 at 03:10 AM UTC
3 products affected across 1 vendorModicon M221 FirmwareModicon M221Electric Modicon M221

Using Modicon M221 (all references, all versions) by N/A?

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
schneider-electric-modicon-m221 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_MISCThird Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-760

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