Vulnerability identifier: #VU77817

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
EcoStruxure Operator Terminal Expert
Client/Desktop applications / Other client software

Vendor: Schneider Electric

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

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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

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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.