Critical severity9.1NVD Advisory· Published Oct 13, 2023· Updated Jun 17, 2026

CVE-2023-4562

Description

Improper Authentication vulnerability in Mitsubishi Electric Corporation MELSEC-F Series main modules allows a remote unauthenticated attacker to obtain sequence programs from the product or write malicious sequence programs or improper data in the product without authentication by sending illegitimate messages.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

154

Mitsubishielectric/MELSEC-Q Seriesllm-fuzzy
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-14MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-14MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-14MR/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-14MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-14MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-14MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-14MT/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-14MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-24MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-24MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-24MR/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-24MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-24MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-24MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-24MT/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-24MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-40MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-40MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-40MR/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-40MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-40MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-40MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-40MT/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-40MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-60MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-60MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-60MR/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-60MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-60MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-60MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-60MT/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3G-60MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GA-24MR-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GA-24MT-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GA-40MR-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GA-40MT-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GA-60MR-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GA-60MT-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GC-32MT/Dv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GC-32MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GE-24MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GE-24MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GE-24MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GE-24MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GE-24MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GE-24MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GE-40MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GE-40MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GE-40MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GE-40MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GE-40MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3GE-40MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-10MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-10MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-10MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-10MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-10MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-10MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-14MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-14MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-14MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-14MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-14MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-14MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-20MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-20MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-20MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-20MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-20MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-20MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-30MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-30MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-30MR/ES-2ADv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-30MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-30MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-30MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-30MT/ES-2ADv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-30MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3S-30MT/ESS-2ADv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3SA-10MR-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3SA-10MT-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3SA-14MR-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3SA-14MT-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3SA-20MR-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3SA-20MT-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3SA-30MR-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3SA-30MT-CMv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-128MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-128MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-128MR/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-128MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-128MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-128MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-128MT/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-128MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-16MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-16MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-16MR/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-16MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-16MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-16MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-16MT/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-16MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-32MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-32MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-32MR/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-32MR/UA1v5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-32MS/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-32MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-32MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-32MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-32MT/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-32MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-48MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-48MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-48MR/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-48MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-48MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-48MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-48MT/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-48MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-64MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-64MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-64MR/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-64MR/UA1v5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-64MS/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-64MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-64MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-64MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-64MT/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-64MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-80MR/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-80MR/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-80MR/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-80MT/DSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-80MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-80MT/ESv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-80MT/ES-Av5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3U-80MT/ESSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-16MR/DS-Tv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-16MR/D-Tv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-16MT/Dv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-16MT/D-P4v5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-16MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-16MT/DSS-P4v5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-32MT/Dv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-32MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-32MT-LTv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-32MT-LT-2v5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-64MT/Dv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-64MT/DSSv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-96MT/Dv5
Range: all versions
Mitsubishi Electric Corporation/MELSEC-F Series FX3UC-96MT/DSSv5
Range: all versions

Patches

Vulnerability mechanics

References

jvn.jp/vu/JVNVU90509290/nvdThird Party Advisory
www.cisa.gov/news-events/ics-advisories/icsa-23-285-13nvdThird Party AdvisoryUS Government Resource
www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-012_en.pdfnvdVendor Advisory

News mentions

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