FKIE_CVE-2025-5241
Vulnerability from fkie_nvd - Published: 2025-07-11 01:15 - Updated: 2026-06-17 09:47
Severity
Summary
Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series allows a remote unauthenticated attacker to lockout legitimate users for a certain period by repeatedly attempting to login with incorrect passwords. The legitimate users will be unable to login until a certain period has passed after the lockout or until the product is reset.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-32MT/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-32MT/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-32MT/ESS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-32MT/DSS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-32MR/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-32MR/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-64MT/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-64MT/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-64MT/ESS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-64MT/DSS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-64MR/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-64MR/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-80MT/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-80MT/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-80MT/ESS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-80MT/DSS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-80MR/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5U-80MR/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UC-32MT/D",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UC-32MT/DSS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UC-64MT/D",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UC-64MT/DSS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UC-96MT/D",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UC-96MT/DSS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UC-32MT/DS-TS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UC-32MT/DSS-TS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UC-32MR/DS-TS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-24MT/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-24MT/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-24MT/ESS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-24MT/DSS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-24MR/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-24MR/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-40MT/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-40MT/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-40MT/ESS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-40MT/DSS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-40MR/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-40MR/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-60MT/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-60MT/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-60MT/ESS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-60MT/DSS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-60MR/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-60MR/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-24MT/ES-A",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-24MR/ES-A",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-40MT/ES-A",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-40MR/ES-A",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-60MT/ES-A",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5UJ-60MR/ES-A",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-30MT/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-30MT/ESS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-30MR/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-40MT/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-40MT/ESS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-40MR/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-60MT/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-60MT/ESS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-60MR/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-80MT/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-80MT/ESS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-80MR/ES",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-30MT/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-30MT/DSS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-30MR/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-40MT/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-40MT/DSS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-40MR/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-60MT/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-60MT/DSS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5S-60MR/DS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-F Series FX5-CCLGN-MS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
}
],
"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series allows a remote unauthenticated attacker to lockout legitimate users for a certain period by repeatedly attempting to login with incorrect passwords. The legitimate users will be unable to login until a certain period has passed after the lockout or until the product is reset."
},
{
"lang": "es",
"value": "La vulnerabilidad del mecanismo de bloqueo de cuentas excesivamente restrictivo en la serie MELSEC iQ-F de Mitsubishi Electric Corporation permite a un atacante remoto no autenticado bloquear a usuarios leg\u00edtimos durante un periodo determinado al intentar iniciar sesi\u00f3n repetidamente con contrase\u00f1as incorrectas. Los usuarios leg\u00edtimos no podr\u00e1n iniciar sesi\u00f3n hasta que transcurra un periodo determinado tras el bloqueo o hasta que se restablezca el producto."
}
],
"id": "CVE-2025-5241",
"lastModified": "2026-06-17T09:47:31.627",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4,
"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-5241",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-07-11T13:33:56.766461Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-07-11T01:15:29.487",
"references": [
{
"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-184-04"
},
{
"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
"url": "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-005_en.pdf"
}
],
"sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-645"
}
],
"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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