Remote code execution in Schneider Electric EcoStruxure Operator Terminal Expert

1) Code Injection

EUVDB-ID: #VU77817

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1049

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation. A remote attacker can trick a victim to load a specially crafted project file and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

EcoStruxure Operator Terminal Expert: 3.3 SP1

External links

http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-164-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-164-01.pdf
http://www.cisa.gov/news-events/ics-advisories/icsa-23-180-02

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.