{"cve":{"cve_id":"CVE-2021-44051","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01612,"epss_percentile":0.72815,"epss_as_of":"2026-06-23","description":"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","published_at":"2022-05-05T16:50:20.575000Z","last_modified_at":null,"cvss_v3_score":8.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-77"],"nvd_references":["https://www.qnap.com/en/security-advisory/qsa-22-16"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:16:23.114133Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"qnap-systems-inc.","vendor_name":"QNAP Systems Inc.","product_slug":"qts","product_name":"QTS","version_start":"unspecified","version_start_inclusive":true,"version_end":"5.0.0.1986 build 20220324","version_end_inclusive":false,"cpe23_uri":"cve5:qnap-systems-inc.:qts:unspecified:5.0.0.1986 build 20220324"},{"vendor_slug":"qnap-systems-inc.","vendor_name":"QNAP Systems Inc.","product_slug":"qutscloud","product_name":"QuTScloud","version_start":"unspecified","version_start_inclusive":true,"version_end":"c5.0.1.1949","version_end_inclusive":false,"cpe23_uri":"cve5:qnap-systems-inc.:qutscloud:unspecified:c5.0.1.1949"},{"vendor_slug":"qnap-systems-inc.","vendor_name":"QNAP Systems Inc.","product_slug":"quts-hero","product_name":"QuTS hero","version_start":"unspecified","version_start_inclusive":true,"version_end":"h5.0.0.1986 build 20220324","version_end_inclusive":false,"cpe23_uri":"cve5:qnap-systems-inc.:quts-hero:unspecified:h5.0.0.1986 build 20220324"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.qnap.com/en/security-advisory/qsa-22-16","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2022-05-05T16:50:20.575000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:19:49.878100Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:19:49.878100Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:19:49.878100Z","label":"CVSS score revised","source":"cvelistv5"}]}