{"id":"CVE-2020-21487","aliases":["EUVD-2020-14258","GHSA-rff5-9cw2-46c6"],"status":"published","title":"Cross Site Scripting vulnerability found in Netgate pfSense 2.4.4 and ACME package v.0.6.3 allows...","description":"Cross Site Scripting vulnerability found in Netgate pfSense 2.4.4 and ACME package v.0.6.3 allows attackers to execute arbitrary code via the RootFolder field of acme_certificates.php.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00666,"percentile":0.52126,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-04-04T00:00:00Z","modified":"2026-10-20T10:52:10Z","products":[{"vendor":"netgate","product":"pfsense"},{"vendor":"netgate","product":"pfsense_acme_package"}],"references":[{"url":"https://github.com/pfsense/FreeBSD-ports/commit/a6f443cde51e7fcf17e51f16014d3589253284d8","tags":["x_transferred","Patch","fix"]},{"url":"https://redmine.pfsense.org/issues/9888","tags":["x_transferred","Issue Tracking","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21487"},{"url":"https://github.com/advisories/GHSA-rff5-9cw2-46c6"}],"sources":{"cve":[{"id":"CVE-2020-21487","description":"Cross Site Scripting vulnerability found in Netgate pfSense 2.4.4 and ACME package v.0.6.3 allows attackers to execute arbitrary code via the RootFolder field of acme_certificates.php.","status":"published","published":"2023-04-04T00:00:00Z","modified":"2025-02-13T16:36:13.194Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14258","description":"Cross Site Scripting vulnerability found in Netgate pfSense 2.4.4 and ACME package v.0.6.3 allows attackers to execute arbitrary code via the RootFolder field of acme_certificates.php.","status":"published","published":"2023-04-04T00:00:00Z","modified":"2025-02-13T16:36:13Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:03:52.297177Z"}],"ghsa":[{"id":"GHSA-rff5-9cw2-46c6","title":"Cross Site Scripting vulnerability found in Netgate pfSense 2.4.4 and ACME package v.0.6.3 allows...","description":"Cross Site Scripting vulnerability found in Netgate pfSense 2.4.4 and ACME package v.0.6.3 allows attackers to execute arbitrary code via the RootFolder field of acme_certificates.php.","status":"published","published":"2023-04-04T15:30:27Z","modified":"2023-04-18T05:07:24Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:54:30.910714Z"}],"nvd":[{"id":"CVE-2020-21487","description":"Cross Site Scripting vulnerability found in Netgate pfSense 2.4.4 and ACME package v.0.6.3 allows attackers to execute arbitrary code via the RootFolder field of acme_certificates.php.","status":"published","published":"2023-04-04T15:15:08.147Z","modified":"2026-06-17T03:03:43.05Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:47.910346Z"}],"osv":[{"id":"CVE-2020-21487","description":"Cross Site Scripting vulnerability found in Netgate pfSense 2.4.4 and ACME package v.0.6.3 allows attackers to execute arbitrary code via the RootFolder field of acme_certificates.php.","status":"published","published":"2023-04-04T15:15:08.147Z","modified":"2026-10-20T10:52:10.768445924Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:15.534837Z"}]}}