CVE-2023-2063

Information disclosure, tampering, deletion and destruction vulnerability in MELSEC iQ-R Series / iQ-F Series EtherNet/IP Modules

HIGH
7.3
CVSS Score
Published: June 2, 2023 at 04:05 AM UTC
Updated: June 17, 2026 at 05:51 AM UTC
10 products affected across 1 vendorFx5-enet /ip FirmwareRJ71EIP91 FirmwareSW1DNN EIPCTFX5 Bd Firmware

Using MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 by Mitsubishi Electric Corporation?

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Severity
HIGH7.3
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

Unrestricted Upload of File with Dangerous Type vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to cause information disclosure, tampering, deletion or destruction via file upload/download. As a result, the attacker may be able to exploit this for further attacks.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
mitsubishielectric-fx5-enet-ip (same device)
All versions
mitsubishielectric-rj71eip91 (same device)
All versions
mitsubishielectric-sw1dnn-eipct-bd (same device)
All versions
mitsubishielectric-sw1dnn-eipctfx5-bd (same device)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-434

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