CVE-2021-48013

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
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
https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/weaver/ecology/ecology-filedownload-directory-traversal.yaml
https://www.vulncheck.com/advisories/weaver-e-cology-8.0-unauthenticated-path-traversal-via-ln-filedownload

Configurations

No configuration.

History

22 Oct 2026, 11:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-22 11:17

Updated : 2026-10-29 12:17

NVD link : CVE-2021-48013

Mitre link : CVE-2021-48013

CVE.ORG link : CVE-2021-48013

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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