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CVE-2018-7789

An Improper Check for Unusual or Exceptional Conditions vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerabilit...

Published: Aug 29, 2018Updated: May 29, 2026 Sources: CVE List NVD BDU csafCWE-754
7.5HIGH
NVD MITRE
EPSS Score
2.8%
Top 15.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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

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-754

Affected Products

Schneider Electric
commercial·FRaka schneider-electric
Modicon M221
ICS / OT / IoT
Schneider Electric SE
commercial·FRaka pelco sarix professional, bmxnor0200, u.motion, modicon m340, premium quantum plcs
Modicon M221, all references, all versions prior to firmware V1.6.2.0Embedded
ICS / OT / IoT / plc-scada-hmi
schneider-electric
commercial·FRaka schneider electric se
modicon m221 firmware
ICS / OT / IoT

Exploitability

Official Patch Available
Workaround Available
Is your org exposed to CVE-2018-7789?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2018/icsa-18-240-02.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-18-240-02
cisa.gov
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
cisa.gov
and 8 more references View all →

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