CVE-2022-50993 Weaver E-office < 10.0_20221201 Unauthenticated Arbitrary File Read via XmlRpcServlet
Unauthenticated attackers can upload malicious PHP files to achieve remote code execution on Weaver E-office servers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-50993?
CVE-2022-50993 is a critical vulnerability in Weaver Network Co., Ltd. E-office, published on 30 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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).
Weakness: CWE-434
Which versions are affected by CVE-2022-50993?
How do I fix CVE-2022-50993?
No fix has been published for CVE-2022-50993 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-50993 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50993 exists.
Sources
Also known as GHSA-g99j-cq2q-3xrv.