Winston 1.5.4 devices have an SSH user account with access from bastion hosts. This is undocumented in device documents and is not announced to the user.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16259
Reference (s):
- https://labs.bishopfox.com/advisories/winston-privacy-version-1.5.4
- https://winstonprivacy.com/