Cleartext Storage Vulnerability in GX Works2 by Mitsubishi Electric
CVE-2025-3784

5.5MEDIUM

Key Information:

Vendor

Mitsubishi Electric Corporation

Status
Gx Works2
Vendor
CVE Published:
27 November 2025

What is CVE-2025-3784?

A serious vulnerability in GX Works2 enables an attacker to access project files that contain sensitive credential information stored in plaintext. This flaw permits unauthorized individuals to disclose and exploit sensitive data or credentials, potentially allowing them to bypass user authentication measures in order to open secured project files. Consequently, attackers might gain the ability to both obtain and alter crucial project information, posing a significant risk to the confidentiality and integrity of user data.

Affected Version(s)

GX Works2 All versions

References

https://www.mitsubishielectric.com/psirt/vulnerability/pd...
vendor-advisory
https://jvn.jp/vu/JVNVU95288056/
government-resource
https://www.cisa.gov/news-events/ics-advisories/icsa-25-3...
government-resource

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jiho Shin (M.S. graduate, Sungkyunkwan University)
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