CVE-2022-4995 — Weaver (Fanwei) E-cology 9

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.js

01What is this 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…

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2026-08-07T15:16:57.600
• Last modified: 2026-09-16T20:21:01.047

09References

• ch0x01e.github.io — https://ch0x01e.github.io/post/ecology9-wen-jian-shang-chuan-fen-xi/
• cn-sec.com — https://cn-sec.com/archives/1208148.html
• github.com — https://github.com/gmh5225/CVE-2022-HW-POC/blob/main/%E6%B3%9B%E5%BE%AEOA%20uplo…
• www.vulncheck.com — https://www.vulncheck.com/advisories/weaver-e-cology-file-upload-rce-via-uploade…
• www.weaver.com.cn — https://www.weaver.com.cn/cs/ecology_full_log_en.html
• www.weaver.com.cn — https://www.weaver.com.cn/cs/securityDownload.html#