{"id":"CVE-2021-20713","aliases":["EUVD-2021-8128","GHSA-vvwv-x73q-9rjx"],"status":"published","title":"Privilege escalation vulnerability in QND Advance/Premium/Standard Ver.11.0.4i and earlier allows...","description":"Privilege escalation vulnerability in QND Advance/Premium/Standard Ver.11.0.4i and earlier allows an attacker who can log in to the PC where the product's Windows client is installed to gain administrative privileges via unspecified vectors. As a result, sensitive information may be altered/obtained or unintended operations may be performed.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.0022,"percentile":0.12683,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-05-24T03:20:28Z","modified":"2026-06-17T03:34:18Z","products":[{"vendor":"qualitysoft","product":"qnd"},{"vendor":"qualitysoft corporation","product":"qnd advance/premium/standard"}],"references":[{"url":"https://www.qualitysoft.com/product/qnd_vulnerabilities_2021/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN74686032/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20713"},{"url":"https://github.com/advisories/GHSA-vvwv-x73q-9rjx"}],"sources":{"cve":[{"id":"CVE-2021-20713","description":"Privilege escalation vulnerability in QND Advance/Premium/Standard Ver.11.0.4i and earlier allows an attacker who can log in to the PC where the product's Windows client is installed to gain administrative privileges via unspecified vectors. As a result, sensitive information may be altered/obtained or unintended operations may be performed.","status":"published","published":"2021-05-24T03:20:28Z","modified":"2024-08-03T17:53:21.24Z","updated_at":"2026-11-02T14:32:55.905855Z"}],"euvd":[{"id":"EUVD-2021-8128","description":"Privilege escalation vulnerability in QND Advance/Premium/Standard Ver.11.0.4i and earlier allows an attacker who can log in to the PC where the product's Windows client is installed to gain administrative privileges via unspecified vectors. As a result, sensitive information may be altered/obtained or unintended operations may be performed.","status":"published","published":"2021-05-24T03:20:28Z","modified":"2024-08-03T17:53:21Z","updated_at":"2026-11-03T03:25:08.33351Z"}],"ghsa":[{"id":"GHSA-vvwv-x73q-9rjx","title":"Privilege escalation vulnerability in QND Advance/Premium/Standard Ver.11.0.4i and earlier allows...","description":"Privilege escalation vulnerability in QND Advance/Premium/Standard Ver.11.0.4i and earlier allows an attacker who can log in to the PC where the product's Windows client is installed to gain administrative privileges via unspecified vectors. As a result, sensitive information may be altered/obtained or unintended operations may be performed.","status":"published","published":"2022-05-24T19:03:09Z","modified":"2023-01-29T05:06:19Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:46:00.036476Z"}],"nvd":[{"id":"CVE-2021-20713","description":"Privilege escalation vulnerability in QND Advance/Premium/Standard Ver.11.0.4i and earlier allows an attacker who can log in to the PC where the product's Windows client is installed to gain administrative privileges via unspecified vectors. As a result, sensitive information may be altered/obtained or unintended operations may be performed.","status":"published","published":"2021-05-24T04:15:11.433Z","modified":"2026-06-17T03:34:18.263Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:06:53.987491Z"}]}}