{"api_version":"1","generated_at":"2026-04-23T13:35:41+00:00","cve":"CVE-2021-28812","urls":{"html":"https://cve.report/CVE-2021-28812","api":"https://cve.report/api/cve/CVE-2021-28812.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-28812","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-28812"},"summary":{"title":"CVE-2021-28812","description":"A command injection vulnerability has been reported to affect certain versions of Video Station. If exploited, this vulnerability allows remote attackers to execute arbitrary commands. This issue affects: QNAP Systems Inc. Video Station versions prior to 5.5.4 on QTS 4.5.2; versions prior to 5.5.4 on QuTS hero h4.5.2; versions prior to 5.5.4 on QuTScloud c4.5.4. This issue does not affect: QNAP Systems Inc. Video Station on QTS 4.3.6; on QTS 4.3.3.","state":"PUBLIC","assigner":"security@qnap.com","published_at":"2021-06-03 03:15:00","updated_at":"2022-10-18 20:57:00"},"problem_types":["CWE-77"],"metrics":[],"references":[{"url":"https://www.qnap.com/zh-tw/security-advisory/qsa-21-21","name":"https://www.qnap.com/zh-tw/security-advisory/qsa-21-21","refsource":"MISC","tags":[],"title":"Command Injection Vulnerability in Video Station - Security Advisory | QNAP","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-28812","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28812","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Thomas Fady","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"28812","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"qnap","cpe5":"qts","cpe6":"4.5.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"28812","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"qnap","cpe5":"qutscloud","cpe6":"c4.5.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"28812","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"qnap","cpe5":"quts_hero","cpe6":"h4.5.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"28812","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"qnap","cpe5":"video_station","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security@qnap.com","DATE_PUBLIC":"2021-06-03T02:06:00.000Z","ID":"CVE-2021-28812","STATE":"PUBLIC","TITLE":"Command Injection Vulnerability in Video Station"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Video Station","version":{"version_data":[{"platform":"QTS 4.5.2","version_affected":"<","version_value":"5.5.4"},{"platform":"QuTS hero h4.5.2","version_affected":"<","version_value":"5.5.4"},{"platform":"QuTScloud c4.5.4","version_affected":"<","version_value":"5.5.4"},{"platform":"QTS 4.3.6","version_affected":"!","version_value":"5.3.x"},{"platform":"QTS 4.3.3","version_affected":"!","version_value":"5.1.x"}]}}]},"vendor_name":"QNAP Systems Inc."}]}},"credit":[{"lang":"eng","value":"Thomas Fady"}],"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 certain versions of Video Station. If exploited, this vulnerability allows remote attackers to execute arbitrary commands. This issue affects: QNAP Systems Inc. Video Station versions prior to 5.5.4 on QTS 4.5.2; versions prior to 5.5.4 on QuTS hero h4.5.2; versions prior to 5.5.4 on QuTScloud c4.5.4. This issue does not affect: QNAP Systems Inc. Video Station on QTS 4.3.6; on QTS 4.3.3."}]},"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-1286 Improper Validation of Syntactic Correctness of Input"}]},{"description":[{"lang":"eng","value":"CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')"}]},{"description":[{"lang":"eng","value":"CWE-78 OS Command Injection"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://www.qnap.com/zh-tw/security-advisory/qsa-21-21","name":"https://www.qnap.com/zh-tw/security-advisory/qsa-21-21"}]},"solution":[{"lang":"eng","value":"QNAP have already fixed the issue in the following versions:\n\nQTS 4.5.2: Video Station 5.5.4 and later\nQuTS hero h4.5.2: Video Station 5.5.4 and later\nQuTScloud c4.5.4: Video Station 5.5.4 and later\n"}],"source":{"advisory":"QSA-21-21","discovery":"EXTERNAL"}},"nvd":{"publishedDate":"2021-06-03 03:15:00","lastModifiedDate":"2022-10-18 20:57:00","problem_types":["CWE-77"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.5},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:qnap:video_station:*:*:*:*:*:*:*:*","versionEndExcluding":"5.5.4","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:qnap:qts:4.5.2:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:qnap:video_station:*:*:*:*:*:*:*:*","versionEndExcluding":"5.5.4","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:qnap:quts_hero:h4.5.2:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:qnap:video_station:*:*:*:*:*:*:*:*","versionEndExcluding":"5.5.4","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:qnap:qutscloud:c4.5.4:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"28812","Ordinal":"203988","Title":"CVE-2021-28812","CVE":"CVE-2021-28812","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"28812","Ordinal":"1","NoteData":"A command injection vulnerability has been reported to affect certain versions of Video Station. If exploited, this vulnerability allows remote attackers to execute arbitrary commands. This issue affects: QNAP Systems Inc. Video Station versions prior to 5.5.4 on QTS 4.5.2; versions prior to 5.5.4 on QuTS hero h4.5.2; versions prior to 5.5.4 on QuTScloud c4.5.4. This issue does not affect: QNAP Systems Inc. Video Station on QTS 4.3.6; on QTS 4.3.3.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"28812","Ordinal":"2","NoteData":"2021-06-02","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"28812","Ordinal":"3","NoteData":"2021-06-02","Type":"Other","Title":"Modified"}]}}}