FKIE_CVE-2021-40333
Vulnerability from fkie_nvd - Published: 2021-12-02 19:15 - Updated: 2026-06-17 04:06
Severity
9.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
7.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
7.1 (High) - CVSS:3.1/
Summary
Weak Password Requirements vulnerability in Hitachi Energy FOX61x, XCM20 allows an attacker to gain unauthorized access to the Data Communication Network (DCN) routing configuration. This issue affects: Hitachi Energy FOX61x versions prior to R15A. Hitachi Energy XCM20 versions prior to R15A.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| hitachienergy | fox615_firmware | * | |
| hitachienergy | fox615 | - | |
| hitachienergy | xcm20_firmware | * | |
| hitachienergy | xcm20 | - |
{
"affected": [
{
"affectedData": [
{
"product": "FOX61x",
"vendor": "Hitachi Energy",
"versions": [
{
"lessThan": "R15A",
"status": "affected",
"version": "R15A",
"versionType": "custom"
}
]
},
{
"product": "XCM20",
"vendor": "Hitachi Energy",
"versions": [
{
"lessThan": "R15A",
"status": "affected",
"version": "R15A",
"versionType": "custom"
}
]
}
],
"source": "cybersecurity@hitachienergy.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:hitachienergy:fox615_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "CE81A477-A997-40A8-967C-37214CDF355A",
"versionEndExcluding": "r15a",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:hitachienergy:fox615:-:*:*:*:*:*:*:*",
"matchCriteriaId": "0B82C2DB-DBDB-42F1-AB11-AE52A9F22D3E",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:hitachienergy:xcm20_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8C51C90A-1888-4C9E-9D7C-DACF71931A73",
"versionEndExcluding": "r15a",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:hitachienergy:xcm20:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7DCEDF0E-CC13-4366-A88C-15651D68CDF6",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Weak Password Requirements vulnerability in Hitachi Energy FOX61x, XCM20 allows an attacker to gain unauthorized access to the Data Communication Network (DCN) routing configuration. This issue affects: Hitachi Energy FOX61x versions prior to R15A. Hitachi Energy XCM20 versions prior to R15A."
},
{
"lang": "es",
"value": "Una vulnerabilidad de Requisitos de Contrase\u00f1a D\u00e9biles en Hitachi Energy FOX61x, XCM20 permite a un atacante conseguir acceso no autorizado a la configuraci\u00f3n de enrutamiento de la red de comunicaci\u00f3n de datos (DCN). Este problema afecta a: Hitachi Energy FOX61x versiones anteriores a R15A. Hitachi Energy XCM20 versiones anteriores a R15A"
}
],
"id": "CVE-2021-40333",
"lastModified": "2026-06-17T04:06:44.540",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.0,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 6.0,
"source": "cybersecurity@hitachienergy.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 4.2,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-12-02T19:15:08.277",
"references": [
{
"source": "cybersecurity@hitachienergy.com",
"tags": [
"Vendor Advisory"
],
"url": "https://search.abb.com/library/Download.aspx?DocumentID=8DBD000062\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch"
},
{
"source": "cybersecurity@hitachienergy.com",
"tags": [
"Vendor Advisory"
],
"url": "https://search.abb.com/library/Download.aspx?DocumentID=8DBD000069\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://search.abb.com/library/Download.aspx?DocumentID=8DBD000062\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://search.abb.com/library/Download.aspx?DocumentID=8DBD000069\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch"
}
],
"sourceIdentifier": "cybersecurity@hitachienergy.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-521"
}
],
"source": "cybersecurity@hitachienergy.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-521"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Loading…
Loading…
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.
Loading…
Loading…
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.
Loading…
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.
Loading…