CVE-2023-4699 — CRITICAL (10.0)

Vulnerability 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.

CVSS Score

10.0

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mitsubishielectric	Fx3U-32Mt\/Es Firmware	-
Mitsubishielectric	Fx3U-32Mt\/Es	-
Mitsubishielectric	Fx3U-48Mt\/Es Firmware	-
Mitsubishielectric	Fx3U-48Mt\/Es	-
Mitsubishielectric	Fx3U-64Mt\/Es Firmware	-
Mitsubishielectric	Fx3U-64Mt\/Es	-
Mitsubishielectric	Fx3U-80Mt\/Es Firmware	-
Mitsubishielectric	Fx3U-80Mt\/Es	-
Mitsubishielectric	Fx3U-128Mt\/E Firmware	-
Mitsubishielectric	Fx3U-128Mt\/E	-
Mitsubishielectric	Fx3U-16Mt\/Es Firmware	-
Mitsubishielectric	Fx3U-16Mt\/Es	-
Mitsubishielectric	Fx3U-16Mr\/Es Firmware	-
Mitsubishielectric	Fx3U-16Mr\/Es	-
Mitsubishielectric	Fx3U-32Mr\/Es Firmware	-
Mitsubishielectric	Fx3U-32Mr\/Es	-
Mitsubishielectric	Fx3U-48Mr\/Es Firmware	-
Mitsubishielectric	Fx3U-48Mr\/Es	-
Mitsubishielectric	Fx3U-64Mr\/Es Firmware	-
Mitsubishielectric	Fx3U-64Mr\/Es	-

Related Weaknesses (CWE)

CWE-306 CWE-345

References

https://jvn.jp/vu/JVNVU94620134/Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-306-03Third Party AdvisoryUS Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-013_en.pdfVendor Advisory
https://jvn.jp/vu/JVNVU94620134/Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-306-03Third Party AdvisoryUS Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-013_en.pdfVendor Advisory

FAQ

What is CVE-2023-4699?

CVE-2023-4699 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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, MELSE...

How severe is CVE-2023-4699?

CVE-2023-4699 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-4699?

Check the references section above for vendor advisories and patch information. Affected products include: Mitsubishielectric Fx3U-32Mt\/Es Firmware, Mitsubishielectric Fx3U-32Mt\/Es, Mitsubishielectric Fx3U-48Mt\/Es Firmware, Mitsubishielectric Fx3U-48Mt\/Es, Mitsubishielectric Fx3U-64Mt\/Es Firmware.