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Unrated severityNVD Advisory· Published Jun 30, 2023· Updated Mar 5, 2025

Authentication Bypass Vulnerability in MELSEC-F Series main module

CVE-2023-2846

Description

Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series main modules allows a remote unauthenticated attacker to cancel the password/keyword setting and login to the affected products by sending specially crafted packets.

AI Insight

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

Affected products

151
  • Mitsubishielectric/MELSEC iQ-R 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/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/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

3

News mentions

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