What is CVE-2016-4840?

CVE-2016-4840 is a medium-severity vulnerability in Toshiba Coordinate Plus, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2017-04-21.

How severe is CVE-2016-4840?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Toshiba Coordinate Plus

CVE-2016-4840

Coordinate Plus App for Android 1.0.2 and earlier and Coordinate Plus App for iOS 1.0.2 and earlier do not verify SSL certificates.

Vulnerability class: Improper Certificate Validation

Published 2017-04-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (63.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Toshiba Coordinate Plus

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

www.securityfocus.com/bid/92314 (VDB Entry, Third Party Advisory, vdb-entry)
jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000133.html (VDB Entry, Third Party Advisory, third-party-advisory)
jvn.jp/en/jp/JVN06920277/index.html (VDB Entry, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2016-4840?: CVE-2016-4840 is a medium-severity vulnerability in Toshiba Coordinate Plus, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2017-04-21.
How severe is CVE-2016-4840?: Medium severity. CVSS v3 base score is 5.9 out of 10.