Remote code execution in Mitsubishi Electric FA Engineering Software Products

1) External Control of File Name or Path

EUVDB-ID: #VU83865

Risk: High

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-5247

CWE-ID: CWE-73 - External Control of File Name or Path

Exploit availability: No

Description

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

The vulnerability exists due to external control of file name or path. A remote attacker can trick a victim to open a specially crafted project file and execute arbitrary code on the target system.

Mitigation

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

Vulnerable software versions

GX Works3: All versions

MELSOFT iQ AppPortal: All versions

MELSOFT Navigator: All versions

Motion Control Setting: All versions

External links

http://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-016_en.pdf
http://jvn.jp/vu/JVNVU93383160/
http://www.cisa.gov/news-events/ics-advisories/icsa-23-334-04

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.