{"id":"CVE-2020-21474","aliases":["EUVD-2020-14246","GHSA-2jpx-j4q3-c28w"],"status":"published","title":"File Upload vulnerability in NucleusCMS v.3.71 allows a remote attacker to execute arbitrary code...","description":"File Upload vulnerability in NucleusCMS v.3.71 allows a remote attacker to execute arbitrary code via the /nucleus/plugins/skinfiles/?dir=rsd parameter.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01169,"percentile":0.67665,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2023-06-20T00:00:00Z","modified":"2026-06-17T03:03:42Z","products":[{"vendor":"nucleuscms","product":"nucleuscms"}],"references":[{"url":"https://github.com/NucleusCMS/NucleusCMS/issues/95","tags":["x_transferred","Exploit","Issue Tracking"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21474"},{"url":"https://github.com/advisories/GHSA-2jpx-j4q3-c28w"}],"sources":{"cve":[{"id":"CVE-2020-21474","description":"File Upload vulnerability in NucleusCMS v.3.71 allows a remote attacker to execute arbitrary code via the /nucleus/plugins/skinfiles/?dir=rsd parameter.","status":"published","published":"2023-06-20T00:00:00Z","modified":"2024-12-10T15:31:03.213Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14246","description":"File Upload vulnerability in NucleusCMS v.3.71 allows a remote attacker to execute arbitrary code via the /nucleus/plugins/skinfiles/?dir=rsd parameter.","status":"published","published":"2023-06-20T00:00:00Z","modified":"2024-12-10T15:31:03Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:37.743244Z"}],"ghsa":[{"id":"GHSA-2jpx-j4q3-c28w","title":"File Upload vulnerability in NucleusCMS v.3.71 allows a remote attacker to execute arbitrary code...","description":"File Upload vulnerability in NucleusCMS v.3.71 allows a remote attacker to execute arbitrary code via the /nucleus/plugins/skinfiles/?dir=rsd parameter.","status":"published","published":"2023-06-20T15:31:09Z","modified":"2024-04-04T04:58:57Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:56:28.924331Z"}],"nvd":[{"id":"CVE-2020-21474","description":"File Upload vulnerability in NucleusCMS v.3.71 allows a remote attacker to execute arbitrary code via the /nucleus/plugins/skinfiles/?dir=rsd parameter.","status":"published","published":"2023-06-20T15:15:11.337Z","modified":"2026-06-17T03:03:42.153Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:06:47.910346Z"}]}}