CVE-2022-4995: Weaver Network Co., Ltd E-Cology 9.0

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

Weaver (Fanwei) E-cology 9.0 versions prior to 10.52 contain a file upload vulnerability that allows a remote, unauthenticated attacker to upload arbitrary files, including JSP webshells, by submitting a multipart/form-data POST request to /workrelate/plan/util/uploaderOperate.jsp with arbitrary secId and plandetailid field values. Successful exploitation results in remote code execution under the privileges of the application server process. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14 (UTC).

Affected products

• Weaver Network Co., Ltd E-Cology 9.0: before 10.52 (fixed in 10.52)

Published 2026-08-07. Last modified 2026-09-16.