CVE-2021-48013
7.5, highWeaver Network Co., Ltd. E-cology Path Traversal Vulnerability
- CVSS
- 7.5, high high CVSS v3.1
- EPSS, next 30 days
- n/a
- Exploitation
- No public evidence
- Published
- 22 Oct 2026yesterday
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.
Details
- Vendor
- Weaver Network Co., Ltd.
- Product
- E-cology
- Weakness
- CWE-22 (opens in a new tab)
- Status
- Deferred
- Updated
- 22 Oct 2026
- Assigner
- disclosure@vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References 3
Other references 3
- 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 (opens in a new tab)
- github.com /projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/weaver/ecology/ecology-filedownload-directory-traversal.yaml (opens in a new tab)
- vulncheck.com /advisories/weaver-e-cology-8.0-unauthenticated-path-traversal-via-ln-filedownload (opens in a new tab)
The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.
Other Weaver Network Co., Ltd. CVEs
Every Weaver Network Co., Ltd. CVE we holdSame vendor in what we hold, not a known link between the flaws.
- CVE-2025-71434 Weaver Network Co., Ltd. E-cology SQL Injection Vulnerability 8.2, high
Beyond this page
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Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 23 Oct 2026, not the live upstream state.