{"id":"CVE-2017-16920","aliases":["EUVD-2017-8090","GHSA-m7x8-v948-5m9h"],"status":"published","title":"v5/config/system.php in dayrui FineCms 5.2.0 has a default SYS_KEY value and does not require key...","description":"v5/config/system.php in dayrui FineCms 5.2.0 has a default SYS_KEY value and does not require key regeneration for each installation, which allows remote attackers to upload arbitrary .php files via a member api swfupload action to index.php.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02141,"percentile":0.82171,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2017-11-21T13:00:00Z","modified":"2026-06-17T01:10:08Z","products":[{"vendor":"finecms","product":"finecms"}],"references":[{"url":"https://gitee.com/dayrui/finecms/commit/ff4b7ad3c3fbd3245b3bb7bc774d20c9705d9882","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://user-images.githubusercontent.com/31153532/33065202-21b536f2-cee3-11e7-997a-c7d4f1b00ca7.jpg","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-16920"},{"url":"https://github.com/advisories/GHSA-m7x8-v948-5m9h"}],"sources":{"cve":[{"id":"CVE-2017-16920","description":"v5/config/system.php in dayrui FineCms 5.2.0 has a default SYS_KEY value and does not require key regeneration for each installation, which allows remote attackers to upload arbitrary .php files via a member api swfupload action to index.php.","status":"published","published":"2017-11-21T13:00:00Z","modified":"2024-08-05T20:35:21.339Z","updated_at":"2026-11-02T14:33:21.142987Z"}],"euvd":[{"id":"EUVD-2017-8090","description":"v5/config/system.php in dayrui FineCms 5.2.0 has a default SYS_KEY value and does not require key regeneration for each installation, which allows remote attackers to upload arbitrary .php files via a member api swfupload action to index.php.","status":"published","published":"2017-11-21T13:00:00Z","modified":"2024-08-05T20:35:21Z","updated_at":"2026-11-03T02:23:11.095005Z"}],"ghsa":[{"id":"GHSA-m7x8-v948-5m9h","title":"v5/config/system.php in dayrui FineCms 5.2.0 has a default SYS_KEY value and does not require key...","description":"v5/config/system.php in dayrui FineCms 5.2.0 has a default SYS_KEY value and does not require key regeneration for each installation, which allows remote attackers to upload arbitrary .php files via a member api swfupload action to index.php.","status":"published","published":"2022-05-13T01:44:13Z","modified":"2023-02-02T05:00:58Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:51:04.884002Z"}],"nvd":[{"id":"CVE-2017-16920","description":"v5/config/system.php in dayrui FineCms 5.2.0 has a default SYS_KEY value and does not require key regeneration for each installation, which allows remote attackers to upload arbitrary .php files via a member api swfupload action to index.php.","status":"published","published":"2017-11-21T13:29:00.297Z","modified":"2026-06-17T01:10:08.91Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/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"}],"updated_at":"2026-11-02T14:04:09.7374Z"}]}}