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CVE-2021-22786

Published: Feb 1, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-200
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.6%
Top 54.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the controller when communicating over the Modbus TCP protocol. Affected Products: Modicon M340 CPU (part numbers BMXP34*) (Versions prior to V3.30), Modicon M580 CPU (part numbers BMEP* and BMEH*) (Versions prior to SV3.20), Modicon MC80 (BMKC80) (Versions prior to V1.6), Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) (All Versions), Modicon Momentum MDI (171CBU*) (Versions prior to V2.3), Legacy Modicon Quantum (All Versions)

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-200

Affected Products

Modicon M340 CPU (part numbers BMXP34*)Schneider ElectricICS / OT / IoT
Modicon M580 CPU (part numbers BMEP* and BMEH*)Schneider ElectricICS / OT / IoT
Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S)Schneider ElectricICS / OT / IoT
Modicon MC80 (BMKC80)Schneider ElectricICS / OT / IoT
Modicon Momentum CPU (171CBU*)Schneider ElectricICS / OT / IoT
schneider electriccommercialFRICS / OT / IoTaka schneider-electric
and 47 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-221-04&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2022-221-04-Modicon_Controllers_Ethernet_Modules_Security_Notification.pdf
download.schneider-electric.com
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-221-04&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2022-221-04-Modicon_Controllers_Ethernet_Modules_Security_Notification.pdf
download.schneider-electric.com

Timeline

Published
Feb 1, 2023
Last Updated
Nov 21, 2024

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