{"cve":"CVE-2021-22857","nvd":{"published":"2021-02-17T11:15:15.710","modified":"2026-06-17T03:37:53.487","status":"Modified","description":"The CGE page with download function contains a Directory Traversal vulnerability. Attackers can use this loophole to download system files arbitrarily.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-22"],"references":["https://www.chtsecurity.com/news/fe1e30ef-4dac-4848-a3c9-a7df12672422","https://www.twcert.org.tw/tw/cp-132-4395-c01f7-1.html","https://www.chtsecurity.com/news/fe1e30ef-4dac-4848-a3c9-a7df12672422","https://www.twcert.org.tw/tw/cp-132-4395-c01f7-1.html"],"products":["changjia_property_management_system_project:changjia_property_management_system"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-22857","score":0.01839,"percentile":0.78971,"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."]}