{"id":"CVE-2023-2061","aliases":["EUVD-2023-33587","GHSA-2fjm-qc6m-8q8h"],"status":"published","title":"Authentication bypass vulnerability in MELSEC iQ-R Series / iQ-F Series EtherNet/IP Modules","description":"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.","severity":{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00549,"percentile":0.46319,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-259","CWE-798"],"published":"2023-06-02T04:03:36Z","modified":"2026-06-17T05:51:18Z","products":[{"vendor":"mitsubishi electric corporation","product":"melsec iq-f series ethernet/ip module fx5-enet/ip"},{"vendor":"mitsubishi electric corporation","product":"melsec iq-r series ethernet/ip module rj71eip91"},{"vendor":"mitsubishielectric","product":"fx5-enet\\/ip_firmware"},{"vendor":"mitsubishielectric","product":"rj71eip91_firmware"},{"vendor":"mitsubishielectric","product":"sw1dnn-eipct-bd_firmware"},{"vendor":"mitsubishielectric","product":"sw1dnn-eipctfx5-bd_firmware"}],"references":[{"url":"https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2023-004.pdf","tags":["x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/vu/JVNVU92908006","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2061"},{"url":"https://github.com/advisories/GHSA-2fjm-qc6m-8q8h"}],"sources":{"cve":[{"id":"CVE-2023-2061","title":"Authentication bypass vulnerability in MELSEC iQ-R Series / iQ-F Series EtherNet/IP Modules","description":"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.","status":"published","published":"2023-06-02T04:03:36.665Z","modified":"2025-03-05T18:58:23.764Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-259"],"updated_at":"2026-11-02T14:35:24.004321Z"}],"euvd":[{"id":"EUVD-2023-33587","description":"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.","status":"published","published":"2023-06-02T04:03:36Z","modified":"2025-03-05T18:58:23Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:53:13.319718Z"}],"ghsa":[{"id":"GHSA-2fjm-qc6m-8q8h","title":"Use of Hard-coded Password vulnerability in FTP function on Mitsubishi Electric Corporation...","description":"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.","status":"published","published":"2023-06-02T06:30:36Z","modified":"2024-04-04T04:28:23Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-259","CWE-798"],"updated_at":"2026-11-02T14:56:24.450325Z"}],"nvd":[{"id":"CVE-2023-2061","description":"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.","status":"published","published":"2023-06-02T05:15:10.1Z","modified":"2026-06-17T05:51:18.693Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-259","CWE-798"],"updated_at":"2026-11-02T14:08:03.795015Z"}]}}