What is CVE-2020-16260?

CVE-2020-16260 is a high-severity vulnerability in Winstonprivacy Winston, classified under Missing Authorization. CVSS score: 7.5/10. Published 2020-10-28.

How severe is CVE-2020-16260?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Winstonprivacy Winston

CVE-2020-16260

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.

Vulnerability class: Broken Access Control

Published 2020-10-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Winstonprivacy Winston
Winstonprivacy Winston Firmware — versions 1.5.4

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

winstonprivacy.com/ (Product)
labs.bishopfox.com/advisories/winston-privacy-version-1.5.4 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-16260?: CVE-2020-16260 is a high-severity vulnerability in Winstonprivacy Winston, classified under Missing Authorization. CVSS score: 7.5/10. Published 2020-10-28.
How severe is CVE-2020-16260?: High severity. CVSS v3 base score is 7.5 out of 10.