PT-2020-16950 · Schneider Electric · Modicon M258+2

Published 2020-12-11 · Updated 2022-02-03 · CVE-2020-28220

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Modicon M258 Firmware versions prior to V5.0.4.11 SoMachine/SoMachine Motion software (affected versions not specified)

Description A buffer overflow issue exists due to improper restriction of operations within the bounds of a memory buffer. This occurs when the length of a file transferred to the webserver is not verified, potentially causing a buffer overflow.

Recommendations For Modicon M258 Firmware versions prior to V5.0.4.11, update to version V5.0.4.11 or later. For SoMachine/SoMachine Motion software, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2020-28220

Affected Products

Modicon M258

Somachine

Somachine Motion

References · 29

• https://se.com/ww/en/download/document/SEVD-2020-343-09 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-28220 · Security Note
• https://osv.dev/vulnerability/CVE-2020-28220 · Vendor Advisory
• https://t.me/cibsecurity/19900 · Telegram Post
• https://t.me/cibsecurity/19780 · Telegram Post
• https://t.me/cibsecurity/19800 · Telegram Post
• https://t.me/cibsecurity/19860 · Telegram Post
• https://t.me/cibsecurity/20092 · Telegram Post
• https://t.me/cibsecurity/19976 · Telegram Post
• https://t.me/cibsecurity/20074 · Telegram Post
• https://t.me/cibsecurity/20168 · Telegram Post
• https://t.me/cibsecurity/19919 · Telegram Post
• https://t.me/cibsecurity/20208 · Telegram Post
• https://t.me/cibsecurity/20054 · Telegram Post
• https://t.me/cibsecurity/19820 · Telegram Post