IM
IronMonkey Threat Research

CVE-2018-7821 HIGH

Published: 2019-05-22 | Last Modified: 2026-06-17 | Status: Modified

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.

Additional Descriptions (1)

Existe una vulnerabilidad de entorno (CWE-2) en SoMachine Basic, todas las versiones, y Modicon M221 (todas las referencias, todas las versiones anteriores al firmware V1.10.0.0), que podría generar un impacto en el tiempo del ciclo al inundar la interfaz ethernet M221 mientras que el adaptador Ethernet/IP está activado.

CVSS Metrics

Base Score: 7.5 (HIGH)

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

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 3.6

Base Score: 5.0 (MEDIUM)

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-770
134c704f-9b21-4f2e-91b3-4a467353bcc0 Secondary
en CWE-400

Affected Products

Vendor Product Version Update Type
schneider-electric somachine_basic * <built-in method update of dict object at 0x7e6110c9bd40> Application
schneider-electric modicon_m221_firmware * <built-in method update of dict object at 0x7e6110c99f00> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:schneider-electric:somachine_basic:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*
Notification
Message here