CVE-2020-7565

A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption key when the attacker has capture...

Published: Nov 19, 2020Updated: May 29, 2026 Sources: CVE List NVD BDU csafCWE-326

7.3HIGH

Description

This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:AAttack Vector

Adjacent

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:NAvailability

None

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Weaknesses

CWE-326

Affected Products

Schneider Electric

commercial·FRaka schneider-electric

commercial·FRaka schneider electric se

modicon m221 firmware

ICS / OT / IoT

and 1 more affected products View all →

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Credential Access

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References

https://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD-2020-315-05_Modicon_M100%3AM200%3AM221_PLC_Security_Notification_V3.0.pdf&p_Doc_Ref=SEVD-2020-315-05

download.schneider-electric.com

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2020/icsa-20-343-04.json

raw.githubusercontent.com

https://www.cisa.gov/news-events/ics-advisories/icsa-20-343-04

cisa.gov

and 13 more references View all →

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