{"id":"CVE-2020-27998","aliases":["EUVD-2021-1886","GHSA-v726-3vg9-cp34"],"status":"published","title":"Missing Authorization in FastReport","description":"An issue was discovered in FastReport before 2020.4.0. It lacks a ScriptSecurity feature and therefore may mishandle (for example) GetType, typeof, TypeOf, DllImport, LoadLibrary, and GetProcAddress.","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":0.02379,"percentile":0.8402,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-862"],"published":"2020-10-29T17:08:03Z","modified":"2026-10-20T10:53:03Z","fixes":[{"ecosystem":"NuGet","package":"FastReport.OpenSource","fixed_in":["2020.4.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"FastReport.OpenSource","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2020.4.0"}]}]},{"source":"osv","ecosystem":"NuGet","package":"FastReport.OpenSource","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2020.4.0"}]}],"versions":["2018.4.16","2018.4.7","2018.4.9","2019.1.0","2019.1.20","2019.2.0","2019.3.0","2019.3.13","2019.3.19","2020.1.20","2020.1.25","2020.1.28","2020.2.0","2020.2.9","2020.3.0","2020.3.1","2020.3.10","2020.3.14","2020.3.17","2020.3.21","2020.3.22","2020.3.4"]}],"products":[{"vendor":"fast-report","product":"fastreport"}],"references":[{"url":"https://github.com/FastReports/FastReport/pull/206","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://opensource.fast-report.com/2020/09/report-script-security.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/FastReports/FastReport/compare/v2020.3.0...v2020.4.0","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://securitylab.github.com/advisories/GHSL-2020-143-FastReportsInc-FastReports","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27998","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-v726-3vg9-cp34"}],"sources":{"cve":[{"id":"CVE-2020-27998","description":"An issue was discovered in FastReport before 2020.4.0. It lacks a ScriptSecurity feature and therefore may mishandle (for example) GetType, typeof, TypeOf, DllImport, LoadLibrary, and GetProcAddress.","status":"published","published":"2020-10-29T17:08:03Z","modified":"2024-08-04T16:25:44.135Z","updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2021-1886","description":"An issue was discovered in FastReport before 2020.4.0. It lacks a ScriptSecurity feature and therefore may mishandle (for example) GetType, typeof, TypeOf, DllImport, LoadLibrary, and GetProcAddress.","status":"published","published":"2020-10-29T17:08:03Z","modified":"2024-08-04T16:25:44Z","updated_at":"2026-11-03T03:07:10.69897Z"}],"ghsa":[{"id":"GHSA-v726-3vg9-cp34","title":"Missing Authorization in FastReport","description":"An issue was discovered in FastReport before 2020.4.0. It lacks a ScriptSecurity feature and therefore may mishandle (for example) GetType, typeof, TypeOf, DllImport, LoadLibrary, and GetProcAddress.","status":"published","published":"2021-08-02T17:28:16Z","modified":"2023-02-01T05:05:54Z","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-862"],"updated_at":"2026-11-02T14:36:35.781528Z"}],"nvd":[{"id":"CVE-2020-27998","description":"An issue was discovered in FastReport before 2020.4.0. It lacks a ScriptSecurity feature and therefore may mishandle (for example) GetType, typeof, TypeOf, DllImport, LoadLibrary, and GetProcAddress.","status":"published","published":"2020-10-29T18:15:12.787Z","modified":"2026-06-17T03:09:58.997Z","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":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:06:21.80969Z"}],"osv":[{"id":"CVE-2020-27998","description":"An issue was discovered in FastReport before 2020.4.0. It lacks a ScriptSecurity feature and therefore may mishandle (for example) GetType, typeof, TypeOf, DllImport, LoadLibrary, and GetProcAddress.","status":"published","published":"2020-10-29T18:15:12.787Z","modified":"2026-10-20T10:53:03.689703426Z","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":"2026-11-02T15:44:16.248747Z"},{"id":"GHSA-v726-3vg9-cp34","title":"Missing Authorization in FastReport","description":"An issue was discovered in FastReport before 2020.4.0. It lacks a ScriptSecurity feature and therefore may mishandle (for example) GetType, typeof, TypeOf, DllImport, LoadLibrary, and GetProcAddress.","status":"published","published":"2021-08-02T17:28:16Z","modified":"2023-11-08T04:03:22.735705Z","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-862"],"updated_at":"2026-11-02T15:46:56.981655Z"}]}}
