CVE-2018-7821

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.

Score

CVSS 3.1 7.5 High

Status

Modified - cybersecurity@se.com

Published

2019-05-22

Last modified

2026-05-29

Weaknesses

CWE-400, CWE-770

Affected products

• Modicon M221 Firmware (Schneider-electric)
• Somachine Basic (Schneider-electric)

References

• https://www.schneider-electric.com/en/download/document/SEVD-2019-045-01/