{"schema":"threatline.record/2","record":{"id":"CVE-2021-48013","aliases":[],"summary":"Weaver E-cology 8.0 Unauthenticated Path Traversal via ln.FileDownload","details":"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.","categories":["Unclassified"],"product":"E-cology","vendor":"Weaver Network Co., Ltd.","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-48013","source_modified_at":"2026-10-22T10:57:29.018Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"E-cology","vendor":"Weaver Network Co., Ltd.","versions":[{"version":"8.0","status":"affected","versionType":"custom"}],"defaultStatus":"unknown"}],"fixed_versions":[],"cvss":8.7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00736,"percentile":0.53965,"score_date":"2026-10-23"},"published_at":"2026-10-22T10:57:29.018Z","modified_at":"2026-10-22T10:57:29.018Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2021-48013","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-22T10:57:29.018Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2021-48013","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","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":["technical-description","exploit"]},{"source":"CVE List","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/weaver/ecology/ecology-filedownload-directory-traversal.yaml","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/weaver-e-cology-8.0-unauthenticated-path-traversal-via-ln-filedownload","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-22T10:57:29.018Z","content_hash":"c50774035509f5e0459ce84510d8b30b1d428105466f66e19f7a7ad6534e6060"}}