{"cve":"CVE-2017-16920","nvd":{"published":"2017-11-21T13:29:00.297","modified":"2026-06-17T01:10:08.910","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["https://gitee.com/dayrui/finecms/commit/ff4b7ad3c3fbd3245b3bb7bc774d20c9705d9882","https://user-images.githubusercontent.com/31153532/33065202-21b536f2-cee3-11e7-997a-c7d4f1b00ca7.jpg","https://gitee.com/dayrui/finecms/commit/ff4b7ad3c3fbd3245b3bb7bc774d20c9705d9882","https://user-images.githubusercontent.com/31153532/33065202-21b536f2-cee3-11e7-997a-c7d4f1b00ca7.jpg"],"products":["finecms:finecms"],"source":"nvd","synced_at":"2026-10-19T20:47:01.408438353+00:00"},"epss":{"cve":"CVE-2017-16920","score":0.02141,"percentile":0.82053,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}