Auth bypass in Mitsubishielectric Fx3g-14mr\/ds
CVE-2023-4699
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.
Vulnerability class: Broken Authentication
EPSS: 0.007 (51.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Mitsubishielectric Fx3g-14mr\/ds
- Mitsubishielectric Fx3g-14mr\/ds_firmware
- Mitsubishielectric Fx3g-14mr\/es
- Mitsubishielectric Fx3g-14mr\/es-a
- Mitsubishielectric Fx3g-14mr\/es-a_firmware
- Mitsubishielectric Fx3g-14mr\/es_firmware
- Mitsubishielectric Fx3g-14mt\/ds
- Mitsubishielectric Fx3g-14mt\/ds_firmware
- Mitsubishielectric Fx3g-14mt\/dss
- Mitsubishielectric Fx3g-14mt\/dss_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp (vendor-advisory, Vendor Advisory)
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp (Third Party Advisory, government-resource)
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp (US Government Resource, Third Party Advisory, government-resource)
Frequently asked questions
- What is CVE-2023-4699?
- CVE-2023-4699 is a critical-severity vulnerability in Mitsubishielectric Fx3g-14mr\/ds, classified under Missing Authentication for Critical Function. CVSS score: 10.0/10. Published 2023-11-06.
- How severe is CVE-2023-4699?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2023-4699 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.