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Vulnerability record · CVE-2018-7798 · published 2 November 2018

CVE-2018-7798: Schneider-electric somachine basic insufficient verification of data authenticity vulnerability

Schneider Electric · Somachine Basic

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.

8.2 CVSS 3.1 High EPSS 0.66% · top 50.7% CWE-345 · Insufficient verification of data authenticity
8.2CVSS 3.1 base score, v2 6.4
0.66%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/105970 Third Party AdvisoryVDB Entry
https://www.schneider-electric.com/en/download/document/SEVD-2018-270-01/ MitigationVendor Advisory
http://www.securityfocus.com/bid/105970 Third Party AdvisoryVDB Entry
https://www.schneider-electric.com/en/download/document/SEVD-2018-270-01/ MitigationVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-7798), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.