Vulnerability identifier: #VU48964

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-28212

CWE-ID: CWE-307

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PLC Simulator for EcoStruxure Control Expert
Other software / Other software solutions
PLC Simulator for Unity Pro
Other software / Other software solutions
EcoStruxure Control Expert
Server applications / SCADA systems

Vendor: Schneider Electric

Description

The vulnerability allows a remote attacker to gain access to the system.

The vulnerability exists due to the authentication mechanism has no brute-force prevention. A remote attacker can launch a brute-force authentication attack and cause unauthorized command execution.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PLC Simulator for EcoStruxure Control Expert: 14.1

PLC Simulator for Unity Pro: All versions

EcoStruxure Control Expert: All versions

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External links
http://www.se.com/ww/en/download/document/SEVD-2020-315-07

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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.