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CVE-2023-4699

Arbitrary Command Execution Vulnerability in Mitsubishi Electric proprietary protocol communication of multiple FA products

Published: Nov 6, 2023Updated: Mar 17, 2025 Sources: CVE List NVD BDU csafCWE-306
10.0CRITICAL
NVD MITRE
EPSS Score
0.7%
Top 48.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-306CWE-345

Affected Products

mitsubishielectric
commercial·JPaka mitsubishi electric
fx3u-32mt\/es firmware
ICS / OT / IoT
fx3u-48mt\/es firmware
ICS / OT / IoT
fx3u-64mt\/es firmware
ICS / OT / IoT
fx3u-80mt\/es firmware
ICS / OT / IoT
fx3u-128mt\/e firmware
ICS / OT / IoT
fx3u-16mt\/es firmware
ICS / OT / IoT
fx3u-16mr\/es firmware
ICS / OT / IoT
fx3u-32mr\/es firmware
ICS / OT / IoT
Mitsubishi Electric Corporation
commercial·JPaka mitsubishi electric
MELSEC-F Series FX3U-16MT/ES
ICS / OT / IoT
MELSEC-F Series FX3U-32MT/ES
ICS / OT / IoT
MELSEC-F Series FX3U-48MT/ES
ICS / OT / IoT
MELSEC-F Series FX3U-64MT/ES
ICS / OT / IoT
MELSEC-F Series FX3U-80MT/ES
ICS / OT / IoT
MELSEC-F Series FX3U-128MT/ES
ICS / OT / IoT
MELSEC-F Series FX3U-16MR/ES
ICS / OT / IoT
MELSEC-F Series FX3U-32MR/ES
ICS / OT / IoT
and 513 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2023-4699?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques
Collection
Initial Access
View detailed technique mapping

References

https://jvn.jp/vu/JVNVU94620134/
jvn.jp
https://www.cisa.gov/news-events/ics-advisories/icsa-23-306-03
cisa.gov
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-013_en.pdf
mitsubishielectric.com
and 13 more references View all →

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