CVE-2021-44051 (GCVE-0-2021-44051)
Vulnerability from cvelistv5 – Published: 2022-05-05 16:50 – Updated: 2024-09-16 17:43
VLAI
EPSS
VEX
Title
Command injection
Summary
A command injection vulnerability has been reported to affect QNAP NAS running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows remote attackers to run arbitrary commands. 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 h5.0.0.1986 build 20220324 and later QTS 5.0.0.1986 build 20220324 and later
Severity
8.8 (High)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-22-16 | x_refsource_MISC |
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| QNAP Systems Inc. | QuTScloud |
Affected:
unspecified , < c5.0.1.1949
(custom)
|
guessed | |
| QNAP Systems Inc. | QuTS hero |
Affected:
unspecified , < h5.0.0.1986 build 20220324
(custom)
|
guessed | |
| QNAP Systems Inc. | QTS |
Affected:
unspecified , < 5.0.0.1986 build 20220324
(custom)
|
guessed |
Date Public
2022-05-06 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T04:10:17.275Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.qnap.com/en/security-advisory/qsa-22-16"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "QuTScloud",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "c5.0.1.1949",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "QuTS hero",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "h5.0.0.1986 build 20220324",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "QTS",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "5.0.0.1986 build 20220324",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Enio Pena Navarro and Michael Messner from Siemens Energy AG"
}
],
"datePublic": "2022-05-06T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "A command injection vulnerability has been reported to affect QNAP NAS running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows remote attackers to run arbitrary commands. 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 h5.0.0.1986 build 20220324 and later QTS 5.0.0.1986 build 20220324 and later"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-77",
"description": "CWE-77",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-05-05T16:50:20.000Z",
"orgId": "2fd009eb-170a-4625-932b-17a53af1051f",
"shortName": "qnap"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.qnap.com/en/security-advisory/qsa-22-16"
}
],
"solutions": [
{
"lang": "en",
"value": "We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero and QTS:\nQuTScloud c5.0.1.1949 and later\nQuTS hero h5.0.0.1986 build 20220324 and later\nQTS 5.0.0.1986 build 20220324 and later"
}
],
"source": {
"advisory": "QSA-22-16",
"discovery": "EXTERNAL"
},
"title": "Command injection",
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@qnap.com",
"DATE_PUBLIC": "2022-05-06T00:00:00.000Z",
"ID": "CVE-2021-44051",
"STATE": "PUBLIC",
"TITLE": "Command injection"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "QuTScloud",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "c5.0.1.1949"
}
]
}
},
{
"product_name": "QuTS hero",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "h5.0.0.1986 build 20220324"
}
]
}
},
{
"product_name": "QTS",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "5.0.0.1986 build 20220324"
}
]
}
}
]
},
"vendor_name": "QNAP Systems Inc."
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Enio Pena Navarro and Michael Messner from Siemens Energy AG"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A command injection vulnerability has been reported to affect QNAP NAS running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows remote attackers to run arbitrary commands. 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 h5.0.0.1986 build 20220324 and later QTS 5.0.0.1986 build 20220324 and later"
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-77"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.qnap.com/en/security-advisory/qsa-22-16",
"refsource": "MISC",
"url": "https://www.qnap.com/en/security-advisory/qsa-22-16"
}
]
},
"solution": [
{
"lang": "en",
"value": "We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero and QTS:\nQuTScloud c5.0.1.1949 and later\nQuTS hero h5.0.0.1986 build 20220324 and later\nQTS 5.0.0.1986 build 20220324 and later"
}
],
"source": {
"advisory": "QSA-22-16",
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f",
"assignerShortName": "qnap",
"cveId": "CVE-2021-44051",
"datePublished": "2022-05-05T16:50:20.575Z",
"dateReserved": "2021-11-19T00:00:00.000Z",
"dateUpdated": "2024-09-16T17:43:45.081Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-44051",
"date": "2026-09-22",
"epss": "0.01675",
"percentile": "0.75838"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "QuTScloud",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "c5.0.1.1949",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "QuTS hero",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "h5.0.0.1986 build 20220324",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "QTS",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "5.0.0.1986 build 20220324",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"source": "security@qnapsecurity.com.tw"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:*",
"matchCriteriaId": "0014CC59-E631-4F43-8217-F10C2EB3AEAD",
"versionEndExcluding": "5.0.0.1986",
"versionStartIncluding": "5.0.0.1716",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
"matchCriteriaId": "9E5D1B6F-854F-4D93-B78C-5BAEC46EE64B",
"versionEndExcluding": "4.3.3.1945",
"versionStartIncluding": "4.3.3.0174",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C2AFDF21-2B1F-49BE-9120-FA2A574B565A",
"versionEndExcluding": "4.3.4.1976",
"versionStartIncluding": "4.3.4.0899",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
"matchCriteriaId": "41D108D1-72B7-4503-8438-64C486E85256",
"versionEndExcluding": "4.3.6.1965",
"versionStartIncluding": "4.3.6.0895",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
"matchCriteriaId": "ACBE4C2B-CA91-43F4-9BCC-9C8FA83306C2",
"versionEndExcluding": "4.5.4.1991",
"versionStartIncluding": "4.4.0.0883",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20170517:*:*:*:*:*:*",
"matchCriteriaId": "8F523E9F-D101-4C29-A624-74E1F3F8CB7D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20190322:*:*:*:*:*:*",
"matchCriteriaId": "1388DBE0-F6BB-44AB-81AC-BFB4E70BE820",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20190730:*:*:*:*:*:*",
"matchCriteriaId": "CF3C4461-C1B6-43A1-BA5E-D6658EFD06EE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20190921:*:*:*:*:*:*",
"matchCriteriaId": "A1F11848-6FED-4D58-A177-36D280C0347C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20191107:*:*:*:*:*:*",
"matchCriteriaId": "F6259C86-FFDA-40E8-AF0C-33CC8C108DC9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20200109:*:*:*:*:*:*",
"matchCriteriaId": "9E01E157-BDF1-4B00-BA9B-6887C0C7DFF2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20200421:*:*:*:*:*:*",
"matchCriteriaId": "1D1E5368-9587-4E0A-BB65-D88069CA8490",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20200611:*:*:*:*:*:*",
"matchCriteriaId": "B63CE419-871C-4866-8AB1-4BB6461E1D74",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20200821:*:*:*:*:*:*",
"matchCriteriaId": "886A71D1-9615-47A5-B3C2-CBC6F02961A4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20210327:*:*:*:*:*:*",
"matchCriteriaId": "9B7A506C-1F53-4CEC-9828-9327352DE153",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qts:4.2.6:build_20211215:*:*:*:*:*:*",
"matchCriteriaId": "060D81A5-599A-4329-99C8-D69725C65AF3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*",
"matchCriteriaId": "2B57DE98-C9C6-4C4D-B790-293D6D0CE646",
"versionEndExcluding": "h4.5.4.1771",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*",
"matchCriteriaId": "306566D1-559C-426B-B208-37C2C248239C",
"versionEndExcluding": "h5.0.0.1986",
"versionStartIncluding": "h5.0.0.1772",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F983E154-D65D-4037-B43E-94C6DB86F24E",
"versionEndExcluding": "c5.0.1.1998",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A command injection vulnerability has been reported to affect QNAP NAS running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows remote attackers to run arbitrary commands. 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 h5.0.0.1986 build 20220324 and later QTS 5.0.0.1986 build 20220324 and later"
},
{
"lang": "es",
"value": "Se ha informado de una vulnerabilidad de inyecci\u00f3n de comandos que afecta a los NAS de QNAP que ejecutan QuTScloud, QuTS hero y QTS. Si es explotada, esta vulnerabilidad permite a atacantes remotos ejecutar comandos arbitrarios. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QuTScloud, QuTS hero y QTS: QuTScloud c5.0.1.1949 y posteriores QuTS hero h5.0.0.1986 build 20220324 y posteriores QTS 5.0.0.1986 build 20220324 y posteriores"
}
],
"id": "CVE-2021-44051",
"lastModified": "2026-06-17T04:11:51.410",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "security@qnapsecurity.com.tw",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-05-05T17:15:10.160",
"references": [
{
"source": "security@qnapsecurity.com.tw",
"tags": [
"Vendor Advisory"
],
"url": "https://www.qnap.com/en/security-advisory/qsa-22-16"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.qnap.com/en/security-advisory/qsa-22-16"
}
],
"sourceIdentifier": "security@qnapsecurity.com.tw",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-77"
}
],
"source": "security@qnapsecurity.com.tw",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-77"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T13:20:09+00:00",
"cve": "CVE-2021-44051",
"id": "CVE-2021-44051",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Command injection",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-44051.json",
"version": "3"
}
}
}
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…
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…