CVE Tools
Sign in

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
NVD MITRE
10.0CVSSCRITICAL
EPSS Score
0.7%
Top 50.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch 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.

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

MELSEC-F Series FX3U-16MT/ESMitsubishi Electric CorporationICS / OT / IoT
MELSEC-F Series FX3U-32MT/ESMitsubishi Electric CorporationICS / OT / IoT
MELSEC-F Series FX3U-48MT/ESMitsubishi Electric CorporationICS / OT / IoT
MELSEC-F Series FX3U-64MT/ESMitsubishi Electric CorporationICS / OT / IoT
MELSEC-F Series FX3U-80MT/ESMitsubishi Electric CorporationICS / OT / IoT
mitsubishi electric corporationcommercialJPICS / OT / IoTaka mitsubishi electric
and 524 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

3 techniques
Collection
Initial Access
View detailed technique mapping

References

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

Timeline

Published
Nov 6, 2023
Last Updated
Mar 17, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2023-4699 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows