CVE-2018-7798

Name: CVE-2018-7798
Creator: NVD / NIST
Published: 2018-11-02T17:29:00.68+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.2/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2018-7798 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. 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.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.2/10

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

EPSS Probability

0.66%

46.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Schneider-Electric	Somachine Basic	All versions

References

http://www.securityfocus.com/bid/105970Third Party Advisory, VDB Entry
https://www.schneider-electric.com/en/download/document/SEVD-2018-270-01/Mitigation, Vendor Advisory
http://www.securityfocus.com/bid/105970Third Party Advisory, VDB Entry
https://www.schneider-electric.com/en/download/document/SEVD-2018-270-01/Mitigation, Vendor Advisory

Timeline

Published: Nov 2, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-7798?

How severe is CVE-2018-7798?

CVE-2018-7798 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2018-7798?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-7798?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST