What’s Vulnerable › Vulnerabilities
CVE-2023-4699: Arbitrary Command Execution Vulnerability in Mitsubishi Electric proprietary protocol communication of multiple FA products
- Severity: critical (CVSS 9.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-11-06 · updated 2026-06-17
- Weakness: CWE-306
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.
Affected products
- Mitsubishielectric Fx3G-14Mr/Ds Firmware: all versions
- Mitsubishielectric Fx3G-14Mr/Es-A Firmware: all versions
- Mitsubishielectric Fx3G-14Mr/Es Firmware: all versions
- Mitsubishielectric Fx3G-14Mt/Ds Firmware: all versions
- Mitsubishielectric Fx3G-14Mt/Dss Firmware: all versions
- Mitsubishielectric Fx3G-14Mt/Es-A Firmware: all versions
- Mitsubishielectric Fx3G-14Mt/Es Firmware: all versions
- Mitsubishielectric Fx3G-14Mt/Ess Firmware: all versions
- Mitsubishielectric Fx3G-24Mr/Ds Firmware: all versions
- Mitsubishielectric Fx3G-24Mr/Es-A Firmware: all versions
- Mitsubishielectric Fx3G-24Mr/Es Firmware: all versions
- Mitsubishielectric Fx3G-24Mt/Ds Firmware: all versions
- Mitsubishielectric Fx3G-24Mt/Dss Firmware: all versions
- Mitsubishielectric Fx3G-24Mt/Es-A Firmware: all versions
- Mitsubishielectric Fx3G-24Mt/Es Firmware: all versions
- Mitsubishielectric Fx3G-24Mt/Ess Firmware: all versions
- Mitsubishielectric Fx3G-40Mr/Ds Firmware: all versions
- Mitsubishielectric Fx3G-40Mr/Es-A Firmware: all versions
- Mitsubishielectric Fx3G-40Mr/Es Firmware: all versions
- Mitsubishielectric Fx3G-40Mt/Ds Firmware: all versions
- Mitsubishielectric Fx3G-40Mt/Dss Firmware: all versions
- Mitsubishielectric Fx3G-40Mt/Es-A Firmware: all versions
- Mitsubishielectric Fx3G-40Mt/Es Firmware: all versions
- Mitsubishielectric Fx3G-40Mt/Ess Firmware: all versions
- Mitsubishielectric Fx3G-60Mr/Ds Firmware: all versions
- Mitsubishielectric Fx3G-60Mr/Es-A Firmware: all versions
- Mitsubishielectric Fx3G-60Mr/Es Firmware: all versions
- Mitsubishielectric Fx3G-60Mt/Ds Firmware: all versions
- Mitsubishielectric Fx3G-60Mt/Dss Firmware: all versions
- Mitsubishielectric Fx3G-60Mt/Es-A Firmware: all versions
References
- https://jvn.jp/vu/JVNVU94620134/
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-306-03
- 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://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-013_en.pdf
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