Vulnerability identifier: #VU77050

Vulnerability risk: Medium

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

CVE-ID: CVE-2023-2063

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
RJ71EIP91
Hardware solutions / Routers & switches, VoIP, GSM, etc
SW1DNN-EIPCT-BD
Hardware solutions / Routers & switches, VoIP, GSM, etc
FX5-ENET/IP
Hardware solutions / Routers & switches, VoIP, GSM, etc
SW1DNN-EIPCTFX5-BD
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Mitsubishi Electric

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in the FTP function on EtherNet/IP module. A remote user can upload a malicious file and execute it on the server.

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

Vulnerable software versions

RJ71EIP91: All versions

SW1DNN-EIPCT-BD: All versions

FX5-ENET/IP: All versions

SW1DNN-EIPCTFX5-BD: All versions

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External links
http://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2023-004.pdf
http://jvn.jp/vu/JVNVU92908006

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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