CVE-2020-28220

Published: Dec 11, 2020Modified: Jun 17, 2026

6.8

Vector

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

Exploitability: 0.9 / Impact: 5.9

Source: NVD

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.

Affected (3)

Products: Schneider Electric: Modicon M258 Firmware, Somachine, Somachine Motion

Schneider Electric

3 products

Modicon M258 Firmware

Somachine Motion

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M258 Firmware	Before 5.0.4.11

Running on/with	Platform Versions
Schneider Electric Modicon M258	All versions

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Schneider Electric Somachine	All versions
Schneider Electric Somachine Motion	All versions

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (2)

https://www.se.com/ww/en/download/document/SEVD-2020-343-09/

Source: cybersecurity@se.com

Vendor Advisory

https://www.se.com/ww/en/download/document/SEVD-2020-343-09/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.