{"id":"CVE-2021-42171","aliases":["GHSA-rgg3-3wh7-w935"],"url":"https://o3.security/vulnerability/CVE-2021-42171","summary":"Unrestricted Upload of File with Dangerous Type in Zenario CMS","details":"Zenario CMS 9.0.54156 is vulnerable to File Upload. The web server can be compromised by uploading and executing a web-shell which can run commands, browse system files, browse local resources, attack other servers, and exploit the local vulnerabilities, and so forth.","published":"2022-03-14T15:15:09.327Z","modified":"2026-07-09T01:07:46.782967Z","cvss":{"score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"Packagist","name":"tribalsystems/zenario","fixedVersion":"9.0.55143"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://minhnq22.medium.com/file-upload-to-rce-on-zenario-9-0-54156-cms-fa05fcc6cf74"},{"type":"REPORT","url":"https://github.com/hieuminhnv/Zenario-CMS-9.0-last-version/issues/2"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/166617/Zenario-CMS-9.0.54156-Remote-Code-Execution.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T01:07:46.782967Z"}}