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CVE-2025-3784: Information Disclosure Vulnerability in GX Works2

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-27 · updated 2026-10-18
• Weakness: CWE-312

Description

Cleartext Storage of Sensitive Information Vulnerability in GX Works2 all versions allows an attacker to disclose credential information stored in plaintext from project files. As a result, the attacker may be able to open project files protected by user authentication using disclosed credential information, and obtain or modify project information.

Affected products

• Mitsubishi Electric Corporation GX Works2: all versions

References

• https://jvn.jp/vu/JVNVU95288056/
• https://www.cisa.gov/news-events/ics-advisories/icsa-25-338-01
• https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-016_en.pdf

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