# CVE-2022-4995

## Summary

- **CVE ID:** CVE-2022-4995
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (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)
- **CWE:** CWE-434, CWE-434
- **Published:** Aug 7, 2026
- **Last Modified:** Aug 14, 2026

## 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).

## Affected Products

- Weaver Network Co., Ltd. — E-cology 9.0 (0)

## References

- [CNA](https://www.weaver.com.cn/cs/securityDownload.html#)
- [CNA](https://www.weaver.com.cn/cs/ecology_full_log_en.html)
- [CNA](https://cn-sec.com/archives/1208148.html)
- [CNA](https://ch0x01e.github.io/post/ecology9-wen-jian-shang-chuan-fen-xi/)
- [CNA](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%B8%8A%E4%BC%A0.md)
- [CNA](https://www.vulncheck.com/advisories/weaver-e-cology-file-upload-rce-via-uploaderoperate-jsp)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.69%
- **EPSS Percentile:** 51.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._