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CRITICAL · 9.8

CVE-2023-3346

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in MITSUBSHI CNC Series allows a remote unauthenticated attacker to cause Denial of Service (DoS) condition and exe...

Vulnerability Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in MITSUBSHI CNC Series allows a remote unauthenticated attacker to cause Denial of Service (DoS) condition and execute arbitrary code on the product by sending specially crafted packets. In addition, system reset is required for recovery.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MitsubishielectricC80 Firmware-
MitsubishielectricC80-
MitsubishielectricE70 Firmware-
MitsubishielectricE70-
MitsubishielectricE80 Firmware-
MitsubishielectricE80-
MitsubishielectricM70V Firmware-
MitsubishielectricM70V-
MitsubishielectricM720Vs Firmware-
MitsubishielectricM720Vs-
MitsubishielectricM720Vs 15-Type Firmware-
MitsubishielectricM720Vs 15-Type-
MitsubishielectricM720Vw Firmware-
MitsubishielectricM720Vw-
MitsubishielectricM730Vs Firmware-
MitsubishielectricM730Vs-
MitsubishielectricM730Vs 15-Type Firmware-
MitsubishielectricM730Vs 15-Type-
MitsubishielectricM730Vw Firmware-
MitsubishielectricM730Vw-

Related Weaknesses (CWE)

CWE-120

References

FAQ

What is CVE-2023-3346?

CVE-2023-3346 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in MITSUBSHI CNC Series allows a remote unauthenticated attacker to cause Denial of Service (DoS) condition and exe...

How severe is CVE-2023-3346?

CVE-2023-3346 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-3346?

Check the references section above for vendor advisories and patch information. Affected products include: Mitsubishielectric C80 Firmware, Mitsubishielectric C80, Mitsubishielectric E70 Firmware, Mitsubishielectric E70, Mitsubishielectric E80 Firmware.