CVE-2022-50993
Weaver E-office < 10.0_20221201 Unauthenticated Arbitrary File Read via XmlRpcServlet
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
Weaver (Fanwei) E-office versions prior to 10.0_20221201 contain an unauthenticated arbitrary file upload vulnerability in the OfficeServer.php endpoint that allows remote attackers to upload malicious files by sending multipart POST requests with arbitrary filenames and disguised content types. Attackers can upload PHP webshells to the Document directory and execute them via HTTP GET requests to achieve remote code execution as the web server user. Exploitation evidence was first observed by the Shadowserver Foundation on 2022-10-10 (UTC).
| CWE | CWE-434 |
| Vendor | weaver network co., ltd. |
| Product | e-office |
| Published | Apr 30, 2026 |
Stay Ahead of the Next One
Get instant alerts for weaver network co., ltd. e-office
Be the first to know when new critical vulnerabilities affecting weaver network co., ltd. e-office are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Weaver Network Co., Ltd. / E-office
0 < 10.0_20221201
References
service.e-office.cn: https://service.e-office.cn/knowledge/detail/5 cn-sec.com: https://cn-sec.com/archives/1453025.html bbs.chaitin.cn: https://bbs.chaitin.cn/topic/37 vulncheck.com: https://www.vulncheck.com/advisories/weaver-e-office-10-0-20221201-unauthenticated-arbitrary-file-read-via-xmlrpcservlet
Credits
The Shadowserver Foundation