CVE-2022-4995

Critical

Description

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).

SeverityCritical

CVSS9.8

Exploit probability—

ProductE-cology 9.0

PublishedAug 7, 2026

First seenAug 7, 2026

Weakness typeCWE-434Unrestricted upload of dangerous file type

How to fix

Update

Weaver Network Co., Ltd. E-cology 9.010.52 or later

Patches

weaver.com.cn/cs/securityDownload.html#

Vendor advisories

weaver.com.cn/cs/ecology_full_log_en.html

Affected products

Product	Affected versions	Fixed in
Weaver Network Co., Ltd. E-cology 9.0	v < 10.52	10.52

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.