CVE-2021-41292
Estado: ModificadaCrítica (9.1)—
ECOA BAS controller suffers from an authentication bypass vulnerability. An unauthenticated attacker through cookie poisoning can remotely bypass authentication and disclose sensitive information and circumvent physical access controls in smart homes and buildings and manipulate HVAC.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Puntuación base: 9.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.17%
- Percentil entre todas las CVEs puntuadas: 66
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (3)
CWE
- CWE-288
- CWE-287
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-41292",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.4,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 4.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "twcert@cert.org.tw",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.1,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.2,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "twcert@cert.org.tw",
"affectedData": [
{
"vendor": "ECOA",
"product": "ECS Router Controller ECS (FLASH)",
"versions": [
{
"status": "unknown",
"version": "next of 0",
"lessThan": "unspecified",
"versionType": "custom"
}
]
},
{
"vendor": "ECOA",
"product": "RiskBuster Terminator E6L45",
"versions": [
{
"status": "unknown",
"version": "next of 0",
"lessThan": "unspecified",
"versionType": "custom"
}
]
},
{
"vendor": "ECOA",
"product": "RiskBuster System RB 3.0.0",
"versions": [
{
"status": "unknown",
"version": "next of 0",
"lessThan": "unspecified",
"versionType": "custom"
}
]
},
{
"vendor": "ECOA",
"product": "RiskBuster System TRANE 1.0",
"versions": [
{
"status": "unknown",
"version": "next of 0",
"lessThan": "unspecified",
"versionType": "custom"
}
]
},
{
"vendor": "ECOA",
"product": "Graphic Control Software",
"versions": [
{
"status": "unknown",
"version": "next of 0",
"lessThan": "unspecified",
"versionType": "custom"
}
]
},
{
"vendor": "ECOA",
"product": "SmartHome II E9246",
"versions": [
{
"status": "unknown",
"version": "next of 0",
"lessThan": "unspecified",
"versionType": "custom"
}
]
},
{
"vendor": "ECOA",
"product": "RiskTerminator",
"versions": [
{
"status": "unknown",
"version": "next of 0",
"lessThan": "unspecified",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-09-30T11:15:07.477",
"references": [
{
"url": "https://www.twcert.org.tw/tw/cp-132-5128-b075a-1.html",
"tags": [
"Third Party Advisory"
],
"source": "twcert@cert.org.tw"
},
{
"url": "https://www.twcert.org.tw/tw/cp-132-5128-b075a-1.html",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "twcert@cert.org.tw",
"description": [
{
"lang": "en",
"value": "CWE-288"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "ECOA BAS controller suffers from an authentication bypass vulnerability. An unauthenticated attacker through cookie poisoning can remotely bypass authentication and disclose sensitive information and circumvent physical access controls in smart homes and buildings and manipulate HVAC."
},
{
"lang": "es",
"value": "El controlador ECOA BAS sufre de una vulnerabilidad de omisión de autenticación. Un atacante no autenticado, mediante el envenenamiento de cookies, puede omitir la autenticación de forma remota y divulgar información confidencial, así como omitir los controles de acceso físico en casas y edificios inteligentes y manipular HVAC"
}
],
"lastModified": "2026-06-17T04:08:15.110",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:ecoa:ecs_router_controller-ecs_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E80292D1-E3AD-42B6-A63E-3546010B97A3"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:ecoa:ecs_router_controller-ecs:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "541B6C82-F00E-4BFC-9947-A55B2F4EDD06"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:ecoa:riskbuster_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "19A28430-AB2B-423F-82D4-FC0E3A6DF335"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:ecoa:riskbuster:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "58A6F2A4-A7DA-4A88-B572-917FFC80ADC1"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ecoa:riskterminator:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "841DF575-8E63-4AB4-A6F9-77C28FC65BCE"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "twcert@cert.org.tw"
}