CVE-2021-48013
Weaver E-cology 8.0 Unauthenticated Path Traversal via ln.FileDownload
- State
- Published
- Severity
- 8.7 High
- Published
- Oct 22, 2026
- Updated
- Oct 29, 2026
- Reserved
- Oct 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products
| Product | Versions |
|---|---|
E-cologyWeaver Network Co., Ltd. |
|
References
- PeiQi Wiki GitHub Exploittechnical-descriptionexploit
- Nuclei Templatetechnical-description
- VulnCheck Advisory: Weaver E-cology 8.0 Unauthenticated Path Traversal via ln.FileDownloadthird-party-advisory
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