CVE-2021-28809 - Vulnerability Details - OpenCVE

An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506 and later QTS 4.3.3: HBS 3 v3.0.210506 and later

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Qnap	Hybrid Backup Sync Qts

Configuration 1 [-]

AND

cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6:-:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.4:-:*:*:*:*:*:*

Configuration 3 [-]

AND

cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.3:-:*:*:*:*:*:*

No data.

References

Link	Providers
https://www.qnap.com/en/security-advisory/qsa-21-19
https://www.zerodayinitiative.com/advisories/ZDI-21-783/

History

No history.

MITRE

Status: PUBLISHED

Assigner: qnap

Published: 2021-07-08T07:40:12.294698Z

Updated: 2024-09-17T00:36:54.377Z

Reserved: 2021-03-18T00:00:00

Link: CVE-2021-28809

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-07-08T08:15:07.663

Modified: 2024-11-21T06:00:14.603

Link: CVE-2021-28809

Redhat

No data.

{"containers": {"cna": {"affected": [{"platforms": ["QTS 4.3.6"], "product": "HBS 3", "vendor": "QNAP Systems Inc.", "versions": [{"lessThan": "v3.0.210507", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"platforms": ["QTS 4.3.4"], "product": "HBS 3", "vendor": "QNAP Systems Inc.", "versions": [{"lessThan": "v3.0.210506", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"platforms": ["QTS 4.3.3"], "product": "HBS 3", "vendor": "QNAP Systems Inc.", "versions": [{"lessThan": "v3.0.210506", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Ta-Lun Yen of TXOne IoT/ICS Security Research Labs of Trend Micro working with Trend Micro\u2019s Zero Day Initiative"}], "datePublic": "2021-07-08T00:00:00", "descriptions": [{"lang": "en", "value": "An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506 and later QTS 4.3.3: HBS 3 v3.0.210506 and later"}], "metrics": [{"cvssV3_1": {"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"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "description": "CWE-284 Improper Access Control", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-306", "description": "CWE-306 Missing Authentication for Critical Function", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-749", "description": "CWE-749 Exposed Dangerous Method or Function", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-07-08T13:06:11", "orgId": "2fd009eb-170a-4625-932b-17a53af1051f", "shortName": "qnap"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.qnap.com/en/security-advisory/qsa-21-19"}, {"tags": ["x_refsource_MISC"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-783/"}], "solutions": [{"lang": "en", "value": "QNAP have already fixed this vulnerability in the following versions of HBS 3:\nQTS 4.3.6: HBS 3 v3.0.210507 and later\nQTS 4.3.4: HBS 3 v3.0.210506 and later\nQTS 4.3.3: HBS 3 v3.0.210506 and later"}], "source": {"advisory": "QSA-21-19", "discovery": "EXTERNAL"}, "title": "Missing Authentication for Critical Function in RTRR Server\u00a0in HBS3", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@qnap.com", "DATE_PUBLIC": "2021-07-08T15:22:00.000Z", "ID": "CVE-2021-28809", "STATE": "PUBLIC", "TITLE": "Missing Authentication for Critical Function in RTRR Server\u00a0in HBS3"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "HBS 3", "version": {"version_data": [{"platform": "QTS 4.3.6", "version_affected": "<", "version_value": "v3.0.210507"}, {"platform": "QTS 4.3.4", "version_affected": "<", "version_value": "v3.0.210506"}, {"platform": "QTS 4.3.3", "version_affected": "<", "version_value": "v3.0.210506"}]}}]}, "vendor_name": "QNAP Systems Inc."}]}}, "credit": [{"lang": "eng", "value": "Ta-Lun Yen of TXOne IoT/ICS Security Research Labs of Trend Micro working with Trend Micro\u2019s Zero Day Initiative"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506 and later QTS 4.3.3: HBS 3 v3.0.210506 and later"}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"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"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-284 Improper Access Control"}]}, {"description": [{"lang": "eng", "value": "CWE-306 Missing Authentication for Critical Function"}]}, {"description": [{"lang": "eng", "value": "CWE-749 Exposed Dangerous Method or Function"}]}]}, "references": {"reference_data": [{"name": "https://www.qnap.com/en/security-advisory/qsa-21-19", "refsource": "MISC", "url": "https://www.qnap.com/en/security-advisory/qsa-21-19"}, {"name": "https://www.zerodayinitiative.com/advisories/ZDI-21-783/", "refsource": "MISC", "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-783/"}]}, "solution": [{"lang": "en", "value": "QNAP have already fixed this vulnerability in the following versions of HBS 3:\nQTS 4.3.6: HBS 3 v3.0.210507 and later\nQTS 4.3.4: HBS 3 v3.0.210506 and later\nQTS 4.3.3: HBS 3 v3.0.210506 and later"}], "source": {"advisory": "QSA-21-19", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T21:55:11.617Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.qnap.com/en/security-advisory/qsa-21-19"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-783/"}]}]}, "cveMetadata": {"assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f", "assignerShortName": "qnap", "cveId": "CVE-2021-28809", "datePublished": "2021-07-08T07:40:12.294698Z", "dateReserved": "2021-03-18T00:00:00", "dateUpdated": "2024-09-17T00:36:54.377Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*", "matchCriteriaId": "73C3E8C3-5764-47DB-B856-81F9FA4102C9", "versionEndExcluding": "3.0.210507", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:qnap:qts:4.3.6:-:*:*:*:*:*:*", "matchCriteriaId": "A0E214BD-DC96-4B53-9BE7-8DD8F79B4542", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*", "matchCriteriaId": "A69482D0-EC1B-48D9-9A5F-99376D199D59", "versionEndExcluding": "3.0.210506", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:qnap:qts:4.3.4:-:*:*:*:*:*:*", "matchCriteriaId": "6A16F458-2E81-47E1-ADC8-5A93DF6FFC41", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*", "matchCriteriaId": "A69482D0-EC1B-48D9-9A5F-99376D199D59", "versionEndExcluding": "3.0.210506", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:qnap:qts:4.3.3:-:*:*:*:*:*:*", "matchCriteriaId": "B16E7153-5F0F-489A-AA34-4A74CB04225B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506 and later QTS 4.3.3: HBS 3 v3.0.210506 and later"}, {"lang": "es", "value": "Se ha informado una vulnerabilidad de control de acceso inapropiado que afecta a determinadas versiones heredadas de HBS 3. Si es explotada, esta vulnerabilidad permite a atacantes comprometer la seguridad del sistema operativo.QNAP ya ha corregido esta vulnerabilidad en las siguientes versiones de HBS 3: QTS versiones 4.3.6: HBS 3 versiones v3.0.210507 y posteriores QTS versiones 4.3.4: HBS 3 versiones v3.0.210506 y posteriores"}], "id": "CVE-2021-28809", "lastModified": "2024-11-21T06:00:14.603", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "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": "security@qnapsecurity.com.tw", "type": "Secondary"}, {"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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-07-08T08:15:07.663", "references": [{"source": "security@qnapsecurity.com.tw", "tags": ["Vendor Advisory"], "url": "https://www.qnap.com/en/security-advisory/qsa-21-19"}, {"source": "security@qnapsecurity.com.tw", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-783/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.qnap.com/en/security-advisory/qsa-21-19"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-783/"}], "sourceIdentifier": "security@qnapsecurity.com.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}, {"lang": "en", "value": "CWE-306"}, {"lang": "en", "value": "CWE-749"}], "source": "security@qnapsecurity.com.tw", "type": "Secondary"}]}