CVE-2023-6374

HIGH
7.5
CVSS Score
Published: January 30, 2024 at 09:00 AM UTC
Updated: June 17, 2026 at 06:50 AM UTC
2 products affected across 1 vendorMelsec Ws0-Geth00200MELSEC Ws0-geth00200 Firmware

Using MELSEC WS Series WS0-GETH00200 by Mitsubishi Electric Corporation?

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 all serial numbers allows a remote unauthenticated attacker to bypass authentication by capture-replay attack and illegally login to the affected module. As a result, the remote attacker who has logged in illegally may be able to disclose or tamper with the programs and parameters in the modules.

Affected

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

mitsubishielectric-melsec-ws0-geth00200 (same device)

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
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-294

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