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CVE-2020-7537

Published: Dec 11, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-754
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.4%
Top 31.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions), that could cause denial of service when a specially crafted Read Physical Memory request over Modbus is sent to the controller.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-754

Affected Products

Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions)n/a
Modicon PremiumSchneider ElectricICS / OT / IoT
Modicon QuantumSchneider ElectricICS / OT / IoT
Modicon M340Schneider ElectricICS / OT / IoT
Modicon M580Schneider ElectricICS / OT / IoT
schneider electriccommercialFRICS / OT / IoTaka schneider-electric
and 19 more affected products View all →

Exploitability

Official Patch Available

References

https://www.se.com/ww/en/download/document/SEVD-2020-343-08/
se.com
https://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD-2020-343-08_Modicon_M580_M340_Premium_Quantum_Security_Notification.pdf&p_Doc_Ref=SEVD-2020-343-08
download.schneider-electric.com

Timeline

Published
Dec 11, 2020
Last Updated
Nov 21, 2024

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