Vulnerability identifier: #VU27384

Vulnerability risk: High

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-7489

CWE-ID: CWE-74

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SoMachine
Server applications / SCADA systems
EcoStruxure Machine Expert
Server applications / SCADA systems
Modicon M100
Hardware solutions / Firmware
Modicon M200
Hardware solutions / Firmware
Modicon M221
Hardware solutions / Firmware

Vendor: Schneider Electric

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper validation of input. A remote attacker can execute arbitrary code on the controller.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

SoMachine: All versions

EcoStruxure Machine Expert: All versions

Modicon M100: All versions

Modicon M200: All versions

Modicon M221: All versions

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External links
http://www.se.com/ww/en/download/document/SEVD-2020-105-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.