{"id":"CVE-2021-28814","aliases":["EUVD-2021-15470","GHSA-c3j9-jwrq-h9fm"],"status":"published","title":"Improper Access Control Vulnerability in Helpdesk","description":"An improper access control vulnerability has been reported to affect QNAP NAS. If exploited, this vulnerability allows remote attackers to compromise the security of the software. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.4.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01225,"percentile":0.69195,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-06-11T06:35:15Z","modified":"2026-06-17T03:46:54Z","products":[{"vendor":"gfi software","product":"helpdesk"},{"vendor":"qnap","product":"helpdesk"},{"vendor":"qnap systems inc.","product":"helpdesk"}],"references":[{"url":"https://www.qnap.com/zh-tw/security-advisory/qsa-21-25","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28814"},{"url":"https://github.com/advisories/GHSA-c3j9-jwrq-h9fm"}],"sources":{"cve":[{"id":"CVE-2021-28814","title":"Improper Access Control Vulnerability in Helpdesk","description":"An improper access control vulnerability has been reported to affect QNAP NAS. If exploited, this vulnerability allows remote attackers to compromise the security of the software. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.4.","status":"published","published":"2021-06-11T06:35:15.709Z","modified":"2024-09-17T03:58:40.524Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:33:08.811269Z"}],"euvd":[{"id":"EUVD-2021-15470","description":"An improper access control vulnerability has been reported to affect QNAP NAS. If exploited, this vulnerability allows remote attackers to compromise the security of the software. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.4.","status":"published","published":"2021-06-11T06:35:15Z","modified":"2024-09-17T03:58:40Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:27.555678Z"}],"ghsa":[{"id":"GHSA-c3j9-jwrq-h9fm","title":"An improper access control vulnerability has been reported to affect QNAP NAS. If exploited, this...","description":"An improper access control vulnerability has been reported to affect QNAP NAS. If exploited, this vulnerability allows remote attackers to compromise the security of the software. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.4.","status":"published","published":"2022-05-24T19:05:12Z","modified":"2023-01-31T05:08:46Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:49:27.100963Z"}],"nvd":[{"id":"CVE-2021-28814","description":"An improper access control vulnerability has been reported to affect QNAP NAS. If exploited, this vulnerability allows remote attackers to compromise the security of the software. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.4.","status":"published","published":"2021-06-11T07:15:06.657Z","modified":"2026-06-17T03:46:54.8Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:06:54.439974Z"}]}}