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CVE-2018-7821

Published: May 22, 2019Updated: May 29, 2026 Sources: CVE List NVD BDUCWE-770
7.5HIGH
NVD MITRE
EPSS Score
1.1%
Top 38.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

An Environment (CWE-2) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all references, all versions prior to firmware V1.10.0.0) which could cause cycle time impact when flooding the M221 ethernet interface while the Ethernet/IP adapter is activated.

No summary for this CVE yet.

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
Open in CVSS calculator →

Weaknesses

CWE-770CWE-400

Affected Products

schneider-electric
commercial·FRaka schneider electric se
somachine basic
ICS / OT / IoT
modicon m221 firmware
ICS / OT / IoT
Schneider Electric
commercial·FRaka schneider-electric
Modicon M221
ICS / OT / IoT
SoMachine Basic
ICS / OT / IoT
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2018-7821?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://www.schneider-electric.com/en/download/document/SEVD-2019-045-01/
schneider-electric.com
https://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD-2019-045-01-SoMachineBasic+M221.pdf&p_Doc_Ref=SEVD-2019-045-01
download.schneider-electric.com

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