What is CVE-2016-4874?

CVE-2016-4874 is a low-severity vulnerability in Cybozu Office, classified under Improper Access Control. CVSS score: 3.5/10. Published 2017-04-17.

How severe is CVE-2016-4874?

Low severity. CVSS v3 base score is 3.5 out of 10.

Vulnerability in Cybozu Office

CVE-2016-4874

Cybozu Office 9.0.0 through 10.4.0 allows remote attackers to conduct a "reflected file download" attack.

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

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Cybozu Office — versions 9.0, 9.1.0, 9.2.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000193.html (VDB Entry, Third Party Advisory, third-party-advisory)
support.cybozu.com/ja-jp/article/9434 (Vendor Advisory)
jvn.jp/en/jp/JVN11288252/index.html (VDB Entry, Third Party Advisory, third-party-advisory)
www.securityfocus.com/bid/97719 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-4874?: CVE-2016-4874 is a low-severity vulnerability in Cybozu Office, classified under Improper Access Control. CVSS score: 3.5/10. Published 2017-04-17.
How severe is CVE-2016-4874?: Low severity. CVSS v3 base score is 3.5 out of 10.