What is CVE-2016-1920?

CVE-2016-1920 is a medium-severity vulnerability in Samsung Knox, classified under Improper Access Control. CVSS score: 5.5/10. Published 2017-01-27.

How severe is CVE-2016-1920?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Samsung Knox

CVE-2016-1920

Samsung KNOX 1.0.0 uses the shared certificate on Android, which allows local users to conduct man-in-the-middle attacks as demonstrated by installing a certificate and running a VPN service.

Published 2017-01-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (29.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.6% 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

Samsung Knox — versions 1.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

www.securityfocus.com/archive/1/537339/100/0/threaded (mailing-list)
www.securityfocus.com/archive/1/537318/100/0/threaded (mailing-list)

Frequently asked questions

What is CVE-2016-1920?: CVE-2016-1920 is a medium-severity vulnerability in Samsung Knox, classified under Improper Access Control. CVSS score: 5.5/10. Published 2017-01-27.
How severe is CVE-2016-1920?: Medium severity. CVSS v3 base score is 5.5 out of 10.