CVE-2018-7798

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Published Nov 2, 2018 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed

Description

A Insufficient Verification of Data Authenticity (CWE-345) vulnerability exists in the Modicon M221, all versions, which could cause a change of IPv4 configuration (IP address, mask and gateway) when remotely connected to the device.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Schneider Electric SE

Modicon M221, All Versions

affected

Version	Status	Constraints
`Modicon M221, All Versions`	affected	—

Configuration 1 [-]

AND

cpe:2.3:a:schneider-electric:somachine_basic:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2018-19510	A Insufficient Verification of Data Authenticity (CWE-345) vulnerability exists in the Modicon M221, all versions, which could cause a change of IPv4 configuration (IP address, mask and gateway) when remotely connected to the device.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.655% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
http://www.securityfocus.com/bid/105970
https://www.schneider-electric.com/en/download/document/SEVD-2018-270-01/

History

May 29, 2026 2:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Schneider-electric Modicon M221 Somachine Basic

Weaknesses

CWE-345

Sources

CVE record Updated: May 29, 2026, 2:09 PM

Status: PUBLISHED
Assigner: schneider
Published: Nov 2, 2018, 5:00 PM
Updated: May 29, 2026, 2:09 PM
Reserved: Mar 8, 2018, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 5, 2024, 6:37 AM

Updated: Aug 5, 2024, 6:37 AM

NVD Updated: Jun 17, 2026, 2:03 AM

Status: Modified
Published: Nov 2, 2018, 5:29 PM
Modified: Jun 17, 2026, 2:03 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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