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Vulnerability record · CVE-2022-4995 · published 7 August 2026

CVE-2022-4995: Unrestricted file upload vulnerability

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).

9.3 CVSS 4.0 Critical EPSS 1.2% · top 33.7% CWE-434 · Unrestricted file upload Deferred
9.3CVSS 4.0 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
16 Sep 2026Last modified by NVD

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).

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://ch0x01e.github.io/post/ecology9-wen-jian-shang-chuan-fen-xi/
https://cn-sec.com/archives/1208148.html
https://github.com/gmh5225/CVE-2022-HW-POC/blob/main/%E6%B3%9B%E5%BE%AEOA%20uploaderOperate.jsp%20%E6%96%87%E4%BB%B6%E4%
https://www.vulncheck.com/advisories/weaver-e-cology-file-upload-rce-via-uploaderoperate-jsp
https://www.weaver.com.cn/cs/ecology_full_log_en.html
https://www.weaver.com.cn/cs/securityDownload.html#

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Source: NIST National Vulnerability Database (record CVE-2022-4995), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.