In Sentrifugo 3.2, users can share an announcement under “Organization -> Announcements” tab. Also, in this page, users can upload attachments with the shared announcements. This “Upload Attachment” functionality is suffered from “Unrestricted File Upload” vulnerability so attacker can upload malicious files using this functionality and control the server.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26804
Reference (s):
- https://fatihhcelik.blogspot.com/2020/10/sentrifugo-version-32-rce-authenticated.html