PT-2023-3007 · Mitsubishi · Melsec Iq-F Series Ethernet/Ip Module Fx5-Enet/Ip+1

Published 2023-06-01 · Updated 2023-06-16 · CVE-2023-2061

Positive Technologies (AI Summary)

CVSS v3.1

6.2

Medium

Base vector

AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 (affected versions not specified) MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP (affected versions not specified)

Description The issue is related to the use of hard-coded passwords in the FTP function of the affected modules. This allows a remote unauthenticated attacker to obtain the hard-coded password and access the module via FTP.

Recommendations For MELSEC iQ-R Series EtherNet/IP module RJ71EIP91, consider disabling the FTP function until a patch is available. For MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP, restrict access to the FTP module to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

CWE-259

Related Identifiers

BDU:2023-03038

CVE-2023-2061

Affected Products

Melsec Iq-F Series Ethernet/Ip Module Fx5-Enet/Ip

Melsec Iq-R Series Ethernet/Ip Module Rj71Eip91

References · 6

• https://mitsubishielectric.co.jp/psirt/vulnerability/pdf/2023-004.pdf · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-03038 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-2061 · Security Note
• https://t.me/cvenotify/51600 · Telegram Post
• https://jvn.jp/vu/JVNVU92908006 · Note
• https://t.me/cvenotify/52505 · Telegram Post