What’s Vulnerable › Vulnerabilities

CVE-2022-4995: Weaver E-cology 9.0 File Upload RCE via uploaderOperate.jsp

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-07 · updated 2026-09-16
• Weakness: CWE-434

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: before 10.52 — fixed in 10.52

How to fix

Upgrade to a fixed version: Weaver Network Co., Ltd. E-cology 9.0 10.52. Check the vendor advisory for mitigations.

References

• 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%B8%8A%E4%BC%A0.md
• 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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