{"id":"CVE-2021-42171","aliases":["EUVD-2022-1532","GHSA-rgg3-3wh7-w935"],"status":"published","title":"Unrestricted Upload of File with Dangerous Type in Zenario CMS","description":"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.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02523,"percentile":0.85067,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-434"],"published":"2022-03-14T14:51:06Z","modified":"2026-10-24T10:31:04Z","exploits":[{"source":"pocgithub","id":"minhnq22/CVE-2021-42171","title":"minhnq22/CVE-2021-42171","date":"2021-09-30","url":"https://github.com/minhnq22/CVE-2021-42171"}],"fixes":[{"ecosystem":"Packagist","package":"tribalsystems/zenario","fixed_in":["9.0.55143"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"tribalsystems/zenario","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"9.0.54156"},{"fixed":"9.0.55143"}]}]},{"source":"osv","ecosystem":"Packagist","package":"tribalsystems/zenario","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.55143"}]}],"versions":["7.5.40440","7.5.41006","7.5.41499","7.5.41633","7.5.42085","7.5.42990","7.5.47180","7.6.41504","7.6.41633","7.6.42085","7.6.42990","7.6.47180","7.7.42682","7.7.42963","7.7.42990","7.7.44223","7.7.47180","7.7.47369","7.7.48583","8.0.44237","8.0.44273","8.0.44294","8.0.44521","8.0.45032","8.0.45250","8.0.45529","8.0.47180","8.0.48583","8.1.45530","8.1.45698","8.1.46089","8.1.46433","8.1.46615","8.1.47180","8.1.47369","8.1.48583","8.2.46436","8.2.46614","8.2.47180","8.2.47369","8.2.47992","8.2.48583","8.3.47997","8.3.48583","8.3.50564","8.4.50565","8.4.51340","8.5.50567","8.5.50837","8.5.51340","8.6.51342","8.7","8.8","8.8.53370","8.8.53725","8.8.54063","8.9.54063","8.9.54149","8.9.54153","8.9.55141","9.0.54156","9.0.55141"]}],"products":[{"vendor":"tribalsystems","product":"zenario"}],"references":[{"url":"https://minhnq22.medium.com/file-upload-to-rce-on-zenario-9-0-54156-cms-fa05fcc6cf74","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/hieuminhnv/Zenario-CMS-9.0-last-version/issues/2","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web"]},{"url":"http://packetstormsecurity.com/files/166617/Zenario-CMS-9.0.54156-Remote-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42171","tags":["advisory"]},{"url":"https://github.com/TribalSystems/Zenario/commit/4566d8a9ac6755f098b3373252fdb17754a77007","tags":["web"]},{"url":"https://github.com/TribalSystems/Zenario/releases/tag/9.0.55141","tags":["web"]},{"url":"https://github.com/advisories/GHSA-rgg3-3wh7-w935"},{"url":"https://github.com/TribalSystems/Zenario","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-42171","description":"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.","status":"published","published":"2022-03-14T14:51:06Z","modified":"2024-08-04T03:30:37.755Z","updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2022-1532","description":"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.","status":"published","published":"2022-03-14T14:51:06Z","modified":"2024-08-04T03:30:37Z","updated_at":"2026-11-03T03:24:16.217613Z"}],"ghsa":[{"id":"GHSA-rgg3-3wh7-w935","title":"Unrestricted Upload of File with Dangerous Type in Zenario CMS","description":"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.","status":"published","published":"2022-03-15T00:00:58Z","modified":"2023-01-27T05:00:43Z","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":"2026-11-02T14:36:15.574072Z"}],"nvd":[{"id":"CVE-2021-42171","description":"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.","status":"published","published":"2022-03-14T15:15:09.327Z","modified":"2026-06-17T04:09:26.617Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:07:05.198719Z"}],"osv":[{"id":"CVE-2021-42171","description":"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.","status":"published","published":"2022-03-14T15:15:09.327Z","modified":"2026-10-24T10:31:04.94324877Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:21.557945Z"},{"id":"GHSA-rgg3-3wh7-w935","title":"Unrestricted Upload of File with Dangerous Type in Zenario CMS","description":"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.","status":"published","published":"2022-03-15T00:00:58Z","modified":"2023-11-08T04:07:05.098121Z","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":"2026-11-02T15:46:55.877614Z"}]}}