{"id":"CVE-2021-48013","published":"2026-10-22T11:17:04.250","lastModified":"2026-10-22T17:40:46.877","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.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwes":["CWE-22"],"vendors":[],"products":[],"references":[{"url":"https://github.com/PeiQi0/PeiQi-WIKI-Book/blob/main/docs/wiki/oa/%E6%B3%9B%E5%BE%AEOA/%E6%B3%9B%E5%BE%AEOA%20E-Weaver%20ln.FileDownload%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E.md","tags":[]},{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/weaver/ecology/ecology-filedownload-directory-traversal.yaml","tags":[]},{"url":"https://www.vulncheck.com/advisories/weaver-e-cology-8.0-unauthenticated-path-traversal-via-ln-filedownload","tags":[]}],"exploitRefs":[{"url":"https://github.com/PeiQi0/PeiQi-WIKI-Book/blob/main/docs/wiki/oa/%E6%B3%9B%E5%BE%AEOA/%E6%B3%9B%E5%BE%AEOA%20E-Weaver%20ln.FileDownload%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E.md","tags":[]},{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/weaver/ecology/ecology-filedownload-directory-traversal.yaml","tags":[]}],"hasPoc":true,"ai":null}