CVE-2022-50993: Weaver E-office < 10.0_20221201 Unauthenticated Arbitrary File Read via XmlRpcServlet
Weaver (Fanwei) E-office versions prior to 10.020221201 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).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Weaver (Fanwei) E-officeto a version that resolves this vulnerability.Fixed in 10.0_20221201 - Upgrade
Upgrade
Weaver E-officeto a version that resolves this vulnerability.Fixed in 10.0_20221201
Event History
Frequently Asked Questions
What is the severity of CVE-2022-50993?
CVE-2022-50993 has a high severity rating due to its potential for allowing unauthenticated remote file uploads.
How do I fix CVE-2022-50993?
To fix CVE-2022-50993, upgrade Weaver E-office to version 10.0_20221201 or later.
What type of vulnerability is CVE-2022-50993?
CVE-2022-50993 is an unauthenticated arbitrary file upload vulnerability.
What systems are affected by CVE-2022-50993?
CVE-2022-50993 affects Weaver E-office versions prior to 10.0_20221201.
Can CVE-2022-50993 be exploited remotely?
Yes, CVE-2022-50993 can be exploited remotely without authentication.