Path Traversal in Weaver Network Co., Ltd. E-Cology
CVE-2022-50992
Weaver (Fanwei) E-cology 9.5 versions prior to 10.52 contain an arbitrary file read vulnerability in the XmlRpcServlet interface at the XML-RPC endpoint that allows unauthenticated remote attackers to read arbitrary files by supplying file paths to the WorkflowService.getAttachment and WorkflowService.LoadTemplateProp methods. Attackers can exploit these methods without authentication to retrieve sensitive files including system configuration files and database credentials from the server. Exploitation evidence was first observed by the Shadowserver Foundation on 2022-12-14 (UTC).
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (53.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Weaver Network Co., Ltd. E-Cology — versions 0
Weakness classification (CWE)
References
- www.weaver.com.cn/cs/securityDownload.html (patch)
- www.weaver.com.cn/cs/ecology_full_log.html (release-notes)
- www.cnvd.org.cn/flaw/show/CNVD-2022-43245 (third-party-advisory)
- blog.csdn.net/qq_36618918/article/details/135104295 (technical-description, exploit)
- blog.csdn.net/xiayu729100940/article/details/135205082 (technical-description, exploit)
- www.vulncheck.com/advisories/weaver-e-cology-unauthenticated-arbitrary-file-rea… (third-party-advisory)
Frequently asked questions
- What is CVE-2022-50992?
- CVE-2022-50992 is a high-severity vulnerability in Weaver Network Co., Ltd. E-Cology, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-04-30.
- How severe is CVE-2022-50992?
- High severity. CVSS v3 base score is 7.5 out of 10.