Description
Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation EZSocket versions 3.0 to 5.92, GT Designer3 Version1(GOT1000) versions 1.325P and prior, GT Designer3 Version1(GOT2000) versions 1.320J and prior, GX Works2 versions 1.11M to 1.626C, GX Works3 versions 1.106L and prior, MELSOFT Navigator versions 1.04E to 2.102G, MT Works2 versions 1.190Y and prior, MX Component versions 4.00A to 5.007H and MX OPC Server DA/UA all versions allows a remote unauthenticated attacker to bypass authentication by sending specially crafted packets and connect to the products illegally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mitsubishi Electric | EZSocket | 3.0 to 5.92 | — |
| Mitsubishi Electric | GT Designer3 Version1(GOT1000) | 1.325P and prior | — |
| Mitsubishi Electric | GT Designer3 Version1(GOT2000) | 1.320J and prior | — |
| Mitsubishi Electric | GX Works2 | 1.11M to 1.626C | — |
| Mitsubishi Electric | GX Works3 | 1.106L and prior | — |
| Mitsubishi Electric | MELSOFT Navigator | 1.04E to 2.102G | — |
| Mitsubishi Electric | MT Works2 | 1.190Y and prior | — |
| Mitsubishi Electric | MX Component | 4.00A to 5.007H | — |
| Mitsubishi Electric | MX OPC Server DA/UA | all versions | — |
Advisories 1
- ICSA-24-030-02 Mitsubishi Electric FA Engineering Software Products (Update D) CISA ICS & IT advisories · Sep 18, 2025
References
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-020_en.pdf vendor-advisory
- https://jvn.jp/vu/JVNVU95103362 government-resource
- https://www.cisa.gov/news-events/ics-advisories/icsa-24-030-02 government-resource