What is CVE-2020-16262?

CVE-2020-16262 is a high-severity vulnerability in Winstonprivacy Winston, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2020-10-28.

How severe is CVE-2020-16262?

High severity. CVSS v3 base score is 7.8 out of 10.

Privilege escalation in Winstonprivacy Winston

CVE-2020-16262

Winston 1.5.4 devices have a local www-data user that is overly permissioned, resulting in root privilege escalation.

Vulnerability class: Privilege Escalation

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

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (35.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Winstonprivacy Winston
Winstonprivacy Winston Firmware — versions 1.5.4

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

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

Frequently asked questions

What is CVE-2020-16262?: CVE-2020-16262 is a high-severity vulnerability in Winstonprivacy Winston, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2020-10-28.
How severe is CVE-2020-16262?: High severity. CVSS v3 base score is 7.8 out of 10.