CVE-2023-2061
Authentication bypass vulnerability in MELSEC iQ-R Series / iQ-F Series EtherNet/IP Modules
Use of Hard-coded Password vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to obtain a hard-coded password and access to the module via FTP.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Authentication bypass vulnerability in MELSEC iQ-R Series / iQ-F Series EtherNet/IP Modules
Use of Hard-coded Password vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to obtain a hard-coded password and access to the module via FTP.
- Record
CVE-2023-2061- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-259
- Updated
- 2026-11-02
EUVDEUVD-2023-33587
Use of Hard-coded Password vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to obtain a hard-coded password and access to the module via FTP.
- Record
EUVD-2023-33587- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2fjm-qc6m-8q8h
Use of Hard-coded Password vulnerability in FTP function on Mitsubishi Electric Corporation...
Use of Hard-coded Password vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to obtain a hard-coded password and access to the module via FTP.
- Record
GHSA-2fjm-qc6m-8q8h- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-259, CWE-798
- Updated
- 2026-11-02
NVD
Use of Hard-coded Password vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to obtain a hard-coded password and access to the module via FTP.
- Record
CVE-2023-2061- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-259, CWE-798
- Updated
- 2026-11-02
Affected products
- mitsubishi electric corporation melsec iq-f series ethernet/ip module fx5-enet/ip
- mitsubishi electric corporation melsec iq-r series ethernet/ip module rj71eip91
- mitsubishielectric fx5-enet\/ip firmware
- mitsubishielectric rj71eip91 firmware
- mitsubishielectric sw1dnn-eipct-bd firmware
- mitsubishielectric sw1dnn-eipctfx5-bd firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-2061 is a medium vulnerability (CVSS 6.2) in Mitsubishi Electric Corporation Melsec Iq-f Series Ethernet/ip Module Fx5-enet/ip, published June 2, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 46th percentile. No source names a fixed version.