FKIE_CVE-2021-41296
Vulnerability from fkie_nvd - Published: 2021-09-30 11:15 - Updated: 2026-06-17 04:08
Severity
Summary
ECOA BAS controller uses weak set of default administrative credentials that can be easily guessed in remote password attacks and gain full control of the system.
References
| URL | Tags | ||
|---|---|---|---|
| twcert@cert.org.tw | https://www.twcert.org.tw/tw/cp-132-5132-65705-1.html | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.twcert.org.tw/tw/cp-132-5132-65705-1.html | Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ecoa | ecs_router_controller-ecs_firmware | - | |
| ecoa | ecs_router_controller-ecs | - | |
| ecoa | riskbuster_firmware | - | |
| ecoa | riskbuster | - | |
| ecoa | riskterminator | - |
{
"affected": [
{
"affectedData": [
{
"product": "ECS Router Controller ECS (FLASH)",
"vendor": "ECOA",
"versions": [
{
"lessThan": "unspecified",
"status": "unknown",
"version": "next of 0",
"versionType": "custom"
}
]
},
{
"product": "RiskBuster Terminator E6L45",
"vendor": "ECOA",
"versions": [
{
"lessThan": "unspecified",
"status": "unknown",
"version": "next of 0",
"versionType": "custom"
}
]
},
{
"product": "RiskBuster System RB 3.0.0",
"vendor": "ECOA",
"versions": [
{
"lessThan": "unspecified",
"status": "unknown",
"version": "next of 0",
"versionType": "custom"
}
]
},
{
"product": "RiskBuster System TRANE 1.0",
"vendor": "ECOA",
"versions": [
{
"lessThan": "unspecified",
"status": "unknown",
"version": "next of 0",
"versionType": "custom"
}
]
},
{
"product": "Graphic Control Software",
"vendor": "ECOA",
"versions": [
{
"lessThan": "unspecified",
"status": "unknown",
"version": "next of 0",
"versionType": "custom"
}
]
},
{
"product": "SmartHome II E9246",
"vendor": "ECOA",
"versions": [
{
"lessThan": "unspecified",
"status": "unknown",
"version": "next of 0",
"versionType": "custom"
}
]
},
{
"product": "RiskTerminator",
"vendor": "ECOA",
"versions": [
{
"lessThan": "unspecified",
"status": "unknown",
"version": "next of 0",
"versionType": "custom"
}
]
}
],
"source": "twcert@cert.org.tw"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:ecoa:ecs_router_controller-ecs_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E80292D1-E3AD-42B6-A63E-3546010B97A3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:ecoa:ecs_router_controller-ecs:-:*:*:*:*:*:*:*",
"matchCriteriaId": "541B6C82-F00E-4BFC-9947-A55B2F4EDD06",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:ecoa:riskbuster_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "19A28430-AB2B-423F-82D4-FC0E3A6DF335",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:ecoa:riskbuster:-:*:*:*:*:*:*:*",
"matchCriteriaId": "58A6F2A4-A7DA-4A88-B572-917FFC80ADC1",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ecoa:riskterminator:-:*:*:*:*:*:*:*",
"matchCriteriaId": "841DF575-8E63-4AB4-A6F9-77C28FC65BCE",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "ECOA BAS controller uses weak set of default administrative credentials that can be easily guessed in remote password attacks and gain full control of the system."
},
{
"lang": "es",
"value": "El controlador ECOA BAS usa un conjunto d\u00e9bil de credenciales administrativas predeterminadas que pueden ser f\u00e1cilmente adivinadas en ataques de contrase\u00f1as remotas y conseguir el control total del sistema"
}
],
"id": "CVE-2021-41296",
"lastModified": "2026-06-17T04:08:15.617",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "twcert@cert.org.tw",
"type": "Secondary"
}
]
},
"published": "2021-09-30T11:15:07.707",
"references": [
{
"source": "twcert@cert.org.tw",
"tags": [
"Third Party Advisory"
],
"url": "https://www.twcert.org.tw/tw/cp-132-5132-65705-1.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.twcert.org.tw/tw/cp-132-5132-65705-1.html"
}
],
"sourceIdentifier": "twcert@cert.org.tw",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-521"
}
],
"source": "twcert@cert.org.tw",
"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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