Description
Incorrect Implementation of Authentication Algorithm Vulnerability in Mitsubishi Electric GX Works3 and Motion Control Setting allows a local attacker to successfully authenticate even with an invalid block password by executing the affected product and modifying part of the executable module in memory, and thereby may be able to view, tamper with, destroy, or delete control programs.
Published: 2026-09-17
Score: 9.2 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 17 Sep 2026 23:30:00 +0000

Type Values Removed Values Added
First Time appeared Mitsubishielectric
Mitsubishielectric gx Works3
Mitsubishielectric motion Control Setting
Vendors & Products Mitsubishielectric
Mitsubishielectric gx Works3
Mitsubishielectric motion Control Setting

Thu, 17 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 17 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
Description Incorrect Implementation of Authentication Algorithm Vulnerability in Mitsubishi Electric GX Works3 and Motion Control Setting allows a local attacker to successfully authenticate even with an invalid block password by executing the affected product and modifying part of the executable module in memory, and thereby may be able to view, tamper with, destroy, or delete control programs.
Title Password Authentication Bypass Vulnerability in GX Works3 and Motion Control Setting
Weaknesses CWE-303
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:H/SA:H'}


Subscriptions

Mitsubishielectric Gx Works3 Motion Control Setting
cve-icon MITRE

Status: PUBLISHED

Assigner: Mitsubishi

Published:

Updated: 2026-09-17T12:25:10.782Z

Reserved: 2026-07-14T00:29:02.381Z

Link: CVE-2026-15688

cve-icon Vulnrichment

Updated: 2026-09-17T12:24:57.539Z

cve-icon NVD

Status : Deferred

Published: 2026-09-17T09:16:39.240

Modified: 2026-09-18T19:29:56.010

Link: CVE-2026-15688

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-18T00:15:13Z

Weaknesses
  • CWE-303

    Incorrect Implementation of Authentication Algorithm