{"id":"CVE-2021-48013","state":"PUBLISHED","title":"Weaver E-cology 8.0 Unauthenticated Path Traversal via ln.FileDownload","description":"Weaver E-cology 8.0 contains a path traversal vulnerability that allows unauthenticated attackers to read arbitrary files through the fpath parameter of the /weaver/ln.FileDownload endpoint. Attackers can send crafted GET requests with directory traversal sequences in fpath to retrieve sensitive files such as WEB-INF/web.xml from the server. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-18.","publishedAt":"2026-10-22T10:57:29.018Z","updatedAt":"2026-10-29T11:13:18.528Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Weaver Network Co., Ltd. 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