IM
IronMonkey Threat Research

CVE-2020-28220 MEDIUM

Published: 2020-12-11 | Last Modified: 2026-05-28 | Status: Modified

Description

A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions), that could cause a buffer overflow when the length of a file transferred to the webserver is not verified.

Additional Descriptions (1)

Una CWE-119: Se presenta una vulnerabilidad Restricción Inapropiada de Operaciones dentro de los Límites de un Búfer de Memoria en Modicon M258 Firmware (todas las versiones anteriores a V5.0.4.11) y el software SoMachine/SoMachine Motion (todas las versiones), que podría causar un desbordamiento del búfer cuando la longitud de un archivo transferido al servidor web no es verificado

CVSS Metrics

Base Score: 6.8 (MEDIUM)

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

Attack VectorADJACENT_NETWORK
Attack ComplexityLOW
Privileges RequiredHIGH
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 0.9

Impact Score: 5.9

Base Score: 5.2 (MEDIUM)

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

Access VectorADJACENT_NETWORK
Access ComplexityLOW
AuthenticationSINGLE
Confidentiality ImpactPARTIAL
Integrity ImpactPARTIAL
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 5.1

Impact Score: 6.4

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-119

Affected Products

Vendor Product Version Update Type
schneider-electric modicon_m258_firmware * <built-in method update of dict object at 0x7e6112392500> Operating System
schneider-electric somachine * <built-in method update of dict object at 0x7e6107f3a300> Application
schneider-electric somachine_motion * <built-in method update of dict object at 0x7e60bafae240> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicon_m258:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:schneider-electric:somachine:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:schneider-electric:somachine_motion:*:*:*:*:*:*:*:*

References

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