CVE-2018-7821

HIGH

SoMachine Basic and Modicon M221 < 1.10.0.0 - Denial of Service via Ethernet Flooding

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0110
EPSS Percentile 61.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400 CWE-770
Status published
Products (3)
None/SoMachine Basic and Modicon M221, SoMachine Basic, all versions Modicon M221, all references, all versions prior to firmware V1.10.0.0 SoMachine Basic and Modicon M221, SoMachine Basic, all versions Modicon M221, all references, all ve
schneider-electric/modicon_m221_firmware < 1.10.0.0
schneider-electric/somachine_basic
Published May 22, 2019
Tracked Since Feb 18, 2026