CVE-2021-44054
Estado: ModificadaMedia (6.1)—
An open redirect vulnerability has been reported to affect QNAP device running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows attackers to redirect users to an untrusted page that contains malware. We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero and QTS: QuTScloud c5.0.1.1949 and later QuTS hero h5.0.0.1949 build 20220215 and later QuTS hero h4.5.4.1951 build 20220218 and later QTS 5.0.0.1986 build 20220324 and later QTS 4.5.4.1991 build 20220329 and later
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 6.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.58%
- Percentil entre todas las CVEs puntuadas: 46
- 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-601
- CWE-601
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-44054",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 4.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security@qnapsecurity.com.tw",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 2.8
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 6.1,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "security@qnapsecurity.com.tw",
"affectedData": [
{
"vendor": "QNAP Systems Inc.",
"product": "QuTScloud",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "c5.0.1.1949",
"versionType": "custom"
}
]
},
{
"vendor": "QNAP Systems Inc.",
"product": "QuTS hero",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "h5.0.0.1949 build 20220215",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"lessThan": "h4.5.4.1951 build 20220218",
"versionType": "custom"
}
]
},
{
"vendor": "QNAP Systems Inc.",
"product": "QTS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "5.0.0.1986 build 20220324",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"lessThan": "4.5.4.1991 build 20220329",
"versionType": "custom"
}
]
}
]
}
],
"published": "2022-05-05T17:15:10.333",
"references": [
{
"url": "https://www.qnap.com/en/security-advisory/qsa-22-16",
"tags": [
"Vendor Advisory"
],
"source": "security@qnapsecurity.com.tw"
},
{
"url": "https://www.qnap.com/en/security-advisory/qsa-22-16",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "security@qnapsecurity.com.tw",
"description": [
{
"lang": "en",
"value": "CWE-601"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-601"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An open redirect vulnerability has been reported to affect QNAP device running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows attackers to redirect users to an untrusted page that contains malware. We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero and QTS: QuTScloud c5.0.1.1949 and later QuTS hero h5.0.0.1949 build 20220215 and later QuTS hero h4.5.4.1951 build 20220218 and later QTS 5.0.0.1986 build 20220324 and later QTS 4.5.4.1991 build 20220329 and later"
},
{
"lang": "es",
"value": "Se ha informado de una vulnerabilidad de redireccionamiento abierto que afecta al dispositivo de QNAP que ejecuta QuTScloud, QuTS hero y QTS. Si es explotada, esta vulnerabilidad permite a atacantes redirigir a usuarios a una página no confiable que contiene malware. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QuTScloud, QuTS hero y QTS: QuTScloud c5.0.1.1949 y posteriores QuTS hero h5.0.0.1949 build 20220215 y posteriores QuTS hero h4.5.4.1951 build 20220218 y posteriores QTS 5.0.0.1986 build 20220324 y posteriores QTS 4.5.4.1991 build 20220329 y posteriores"
}
],
"lastModified": "2026-06-17T04:11:51.813",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0014CC59-E631-4F43-8217-F10C2EB3AEAD",
"versionEndExcluding": "5.0.0.1986",
"versionStartIncluding": "5.0.0.1716"
},
{
"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9E5D1B6F-854F-4D93-B78C-5BAEC46EE64B",
"versionEndExcluding": "4.3.3.1945",
"versionStartIncluding": "4.3.3.0174"
},
{
"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C2AFDF21-2B1F-49BE-9120-FA2A574B565A",
"versionEndExcluding": "4.3.4.1976",
"versionStartIncluding": "4.3.4.0899"
},
{
"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "41D108D1-72B7-4503-8438-64C486E85256",
"versionEndExcluding": "4.3.6.1965",
"versionStartIncluding": "4.3.6.0895"
},
{
"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "ACBE4C2B-CA91-43F4-9BCC-9C8FA83306C2",
"versionEndExcluding": "4.5.4.1991",
"versionStartIncluding": "4.4.0.0883"
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20170517:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8F523E9F-D101-4C29-A624-74E1F3F8CB7D"
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20190322:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1388DBE0-F6BB-44AB-81AC-BFB4E70BE820"
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20190730:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CF3C4461-C1B6-43A1-BA5E-D6658EFD06EE"
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20190921:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A1F11848-6FED-4D58-A177-36D280C0347C"
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20191107:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F6259C86-FFDA-40E8-AF0C-33CC8C108DC9"
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20200109:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9E01E157-BDF1-4B00-BA9B-6887C0C7DFF2"
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20200421:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1D1E5368-9587-4E0A-BB65-D88069CA8490"
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20200611:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B63CE419-871C-4866-8AB1-4BB6461E1D74"
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20200821:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "886A71D1-9615-47A5-B3C2-CBC6F02961A4"
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20210327:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9B7A506C-1F53-4CEC-9828-9327352DE153"
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20211215:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "060D81A5-599A-4329-99C8-D69725C65AF3"
},
{
"criteria": "cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2B57DE98-C9C6-4C4D-B790-293D6D0CE646",
"versionEndExcluding": "h4.5.4.1771"
},
{
"criteria": "cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "306566D1-559C-426B-B208-37C2C248239C",
"versionEndExcluding": "h5.0.0.1986",
"versionStartIncluding": "h5.0.0.1772"
},
{
"criteria": "cpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F983E154-D65D-4037-B43E-94C6DB86F24E",
"versionEndExcluding": "c5.0.1.1998"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@qnapsecurity.com.tw"
}