Winston 1.5.4 devices do not enforce authorization. This is exploitable from the intranet, and can be combined with other vulnerabilities for remote exploitation.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16260
Reference (s):
- https://labs.bishopfox.com/advisories/winston-privacy-version-1.5.4
- https://winstonprivacy.com/