{"id":"CVE-2020-21489","aliases":["EUVD-2023-1716","GHSA-6vf2-mfmr-qqqw"],"status":"published","title":"Liufee CMS File Upload vulnerability","description":"File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component.","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":0.01314,"percentile":0.70979,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434"],"published":"2023-06-20T00:00:00Z","modified":"2026-10-20T10:52:10Z","fixes":[{"ecosystem":"Packagist","package":"feehi/cms","fixed_in":["2.0.8.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"feehi/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.8.1"}]}]},{"source":"osv","ecosystem":"Packagist","package":"feehi/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.8.1"}]}],"versions":["0.0.1","0.0.2","0.0.3","0.0.4","0.0.5","0.0.6","0.0.7","0.0.8","0.0.9","0.1.0","0.1.1","0.1.2","0.1.3","1.0.0-alpha3","1.0.0alpha1","1.0.0alpha2","1.0.0beta1","1.0.0beta2","1.0.0beta3","1.0.0rc1","1.0.0rc2","2.0.0","2.0.1","2.0.2","2.0.3","2.0.4","2.0.4.1","2.0.5","2.0.5.1","2.0.6","2.0.7","2.0.7.1","2.0.8"]}],"products":[{"vendor":"feehi","product":"feehicms"}],"references":[{"url":"https://github.com/liufee/cms/issues/46","tags":["x_transferred","Exploit","Issue Tracking","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21489","tags":["advisory"]},{"url":"https://github.com/liufee/cms/commit/ecbfb0ca77874ead5b6e79b96a5e1f94e67475a9","tags":["web"]},{"url":"https://github.com/advisories/GHSA-6vf2-mfmr-qqqw"},{"url":"https://github.com/liufee/cms","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-21489","description":"File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component.","status":"published","published":"2023-06-20T00:00:00Z","modified":"2024-12-09T21:17:14.612Z","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-2023-1716","description":"File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the 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/admin/index.php?r=admin-user%2Fupdate-self component.","status":"published","published":"2023-06-20T15:15:11.47Z","modified":"2026-06-17T03:03:43.21Z","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"}],"osv":[{"id":"CVE-2020-21489","description":"File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component.","status":"published","published":"2023-06-20T15:15:11.47Z","modified":"2026-10-20T10:52:10.54608556Z","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":"2026-11-02T15:44:15.534837Z"},{"id":"GHSA-6vf2-mfmr-qqqw","title":"Liufee CMS File 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