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
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.
| Vendor | Product | Versions |
|---|---|---|
| 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 |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.