CVE-2018-7821

7.5 HIGH

An Environment (CWE-2) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all references, all versions prior to firm...

Published: 2019-05-22 · Last updated: 2026-05-29

Severity and scoring

CVSS: 7.5 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-400, CWE-770

Affected products

Vendor	Product
schneider-electric	modicon_m221_firmware, somachine_basic

Description

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2018-7821
[Vendor advisory]https://www.schneider-electric.com/en/download/document/SEVD-2019-045-01/
[Vendor advisory]https://www.schneider-electric.com/en/download/document/SEVD-2019-045-01/

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