An unauthenticated stack-based buffer overflow vulnerability in common.c’s handle_PORT in uftpd FTP server versions 2.10 and earlier can be abused to cause a crash and could potentially lead to remote code execution.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20276
Reference (s):
- https://arinerron.com/blog/posts/6
- https://github.com/troglobit/uftpd/commit/0fb2c031ce0ace07cc19cd2cb2143c4b5a63c9dd